15) How many significant figures are in 4.010000kg? A) 7 B) 3 C) 5 16) What is the answer for the following calculation: 1.209 - 0.0204 ? A) 1.19 B) 1.189 C) 1.1886 17) What is the answer for the following calculation: 0.0234 x 139.37 ? A) 3.26 B) 3.261258 C) 3.261

Q: A.1.36 × 10% B. 1.36 x 10 Q3. Precision refers to how a measured number is close to A. Other…

A: Precision is a method to check the validity of the measured values of an experiment.

Q: Which numbers have four (4) significant figures? Choose all that apply. 3.925 x 1023 4.5 x 103…

A: Significant digit : Any combination of digit which starts from the far most left digit which is non…

Q: 1. Calculate the volume of a rectangular solid with a thickness of 0.620 cm and an area of 8.25 cm?.…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Water has a density of 0.997 g/cm3 at 25 °C, ice has a density of 0.917 g/cm3 at -10 °C. If a…

A: Given data, Density of water at 25oC = 0.997 g/cm3 Density of water at - 10oC = 0.917 g/cm3 Volume…

Q: A wooden object has a density of 12 g/mL and a volume of 7 mL. What is the mass of this object? 3. A…

A:

Q: The answer to the calculation 12.168 g - 10.868 g with correct units and significant figures is:…

A:

Q: The radius of a dust speck is 4.5 * 10-3 mm. What is the correct value of thisnumber in decimal…

A: Given The radius of a dust speck  = 4.5 x 10-3 mm

Q: 9. Lithium is the least dense metal known (density: 0.53 g/cm^3). What is the volume occupied by…

A: Density :- Density of a substance is its amount of mass perunit volume . So , density is the…

Q: 1. Round the following numbers to the number of significant figures indicated: a) 345 (2 s.f.) _350…

A: " Since you have posted multiple questions with multiple subparts we will solve first 3 subparts for…

Q: 5-Perform the following calculation and report the result to the correct number of significant…

A: There are two rules of significant figures that are involved in calculations : a) The rule in…

Q: Need help with this textbook question thats been giving me hard time. Please show steps. calculate…

A: Given question, ln3.861.00=362.8×1038.314298.1-1-x-1 To convert ln into log, we have to multiply it…

Q: how many significant figures will be in the result of the following calculation (11.130 - 2.50) *…

A: Calculation of : (11.130 - 2.50) * 10^4 / (107.35 + 16.51)* 10^-6

Q: How many significant figures in 0.001500 m? Group of answer choices

A: Rules for significant figures. 1) All non zero digits are considered as significant.  ex: 6789 has…

Q: 3. What is the answer to the following expression in the correct number of significant figures?…

A: The correct number of significant fugure is

Q: Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a…

A: Given - Density of platinum at 25°C = 21.45 g/cm3            Density of water at 25°C = 0.99997 g/ml…

Q: How many significant figures are in the result of the following calculation:    9.871 cm x 0.19 cm

A: This can be solved by knowing the rules of significant figures.

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: Perform the following calculation and input the answer expressed to the correct number of…

Q: Do the following calculations to the correct number of significant figures: a.) 89.3 x 77.0 x 0.08…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A silver nugget was found then the mass and volume were subsequently measured and determined to be…

A: Density is degree of crowdedness. It is calculated by using formula,density = mass/volume

Q: Perform the following calculation using measured numbers: 32.56 − 2.4 − 5.783?

A:

Q: What is the density of an object of mass 200.00 g and volume 25.0 mL? 1._______ / 2._______ =…

A: Given: Mass of object = 200.00 g And volume of object = 25.0 mL.

Q: 6- If the density of an object is 6.30 g/cm2, calculate its density in pound/ft. (Given: 1 ft = 30.5…

A: Density can be calculated by dividing mass with volume.

Q: Express the following with the least number of significant figures a) 12.85497195 b) 1.81231802…

A: Express the following with the least number of significant figures---

Q: What is the density of an object of mass 45.00 g and volume 25.0 mL? 1._______ / 2.________ =…

A: Given: Mass of object = 45.00 g And volume of object = 25.0 mL.

Q: 4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g…

A: In case of multiplication or division, the least number of significant figures in any number…

Q: Part A Total U.S. farmland occupies 954 million acres. How many square miles is this? (Note that 1…

A: There are different type of unit we use for the measurement of area.  For measuring the land area,…

Q: 3.8060 × 13.1 = x O 26162

A: From the rules of significant figures.  In multiplication and dividation.  The answer will have the…

Q: How many significant figures are there in the answer for the following problem? [(143.7-121) × 2.06]…

A:

Q: Express each result to the proper number of significant figures  0.00071+0.002+0.00008 0.9827-0.06…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: hree students (A, B, and C) are asked to determine the volume of a sample of ethanol. Each student…

A: Precision refers to the closeness of the measured value to each other, while accuracy is how close…

Q: A student collected date to calculate the density of a wooden block. He found the density to be…

A: Significant figures are used to express the degree of accuracy of an answer. The rules for…

Q: A star is estimated to have a mass of 2.0 ✕ 1036 kg. Assuming it to be a sphere of average radius…

A: Given : Mass of star = 2.0 X 1036 Kg  And radius of sphere = 7.2 X 105 Km Since 1 Km = 1000 m  And 1…

Q: The density of a certain metal is (6.60x10^0) g/cm3. What is the mass in grams of a sample of this…

A: Given the density of a certain metal = 6.60 × 100 gm/cm3 So D = 6.60 × 1 = 6.60 gm/cm3 Also given…

Q: In the movie The Italian Job, thieves steal gold bullion. One plan is to carry the ingots of gold…

A: Given : Volume of suitcase = 4.36 x 104 cm3 approx. Density of gold = 19.3 g/cm3  And weight of…

Q: What is the density of an object that has a mass of 2.628 g and is 2.23 cm x 1.21 cm x 0.36 cm ? a.…

A:

Q: please help with this 1) Sally Leadfoot was pulled over on her way from Syracuse to Ithaca by an…

A: The solutions are given below -

Q: Calculate 5.1234 + 0.033 ÷ 1.650 and report to the correct number of significant figures.   a.…

A: 5.1234  has 5 significant digits. 0.033 has 2 significant digits.…

Q: The answer to the calculation below with the correct number of significant figures is A) 2370000…

A:

Q: Answering to the correct number of significant figures, what is 5.80 x 120? A) 696 B) 700 C) 7.0 x…

A: The given equation is, 5.80 × 120 = 696

Q: (a) How many significant figures should be reported for thevolume of the metal bar shown here? (b)…

A: The volume of the metal bar is calculated as shown below. The volume of the cube is 16.56 cm3 which…

Q: 1. What is the average volume the pennies in cm3? Does it change with time? 2. Describe the results…

A: The conversion factor for Volume: 1 mL = 1 cm3  So for density: 1 g/mL = 1 g/cm3

Q: Which numbers have five (5) significant figures? Choose all that apply. 3.97410 x 1012 2.3926 x 103…

A: For determining the significant, we consider the rule- 1) If no any decimal is present then not…

Q: There are 12 eggs in a dozen. If a farmer's chickens produce an average of 722 dozen eggs in a…

A: 1 dozen egg = 12 eggs There are 722 dozen eggs are produced in the one month.  Means , 1 month = 722…

Q: Perform this mathematical operation: (2.568x5.8)/4.186 1. Which has the fewest number of…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: erform the calculation to the correct number of significant figures.  (8.111-7.50)/3.002…

A: (8.111 - 7.50) = 0.611

Q: 1. Perform the following calculations. Answer with the correct number of significant figures. (Pay…

A: Answer 1:

Q: Which of the following are exact numbers?a. There are 100 cm in 1 m.b. One meter equals 1.094…

A: Which of the following are exact numbers?a. There are 100 cm in 1 m.b. One meter equals 1.094…

Q: how many significant figures should my answer have when I do the problem 35.0 mL/ 80.0 mL *100%?…

A: In the case of multiplication or division, the answer contains an equal number of significant…

Q: What answer should be reported with the correct number of significant figures, for the following…

A:

Q: Calculate

A: Density is mass per unit volume

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.