I. How many significant figures does each number contain? 1 ]  0.00 2]  160 3]   0.00160 4 ] 1,600,000 5]  1.06   II. Round off each number to three significant figures. 1]  25,401 2]  1,248,486 3]  123456 4]  371 5]  0.012695982 III. Write each quantity in scientific notation. 1]  1,234 g 2]  44,000 km 3]  0.000162 m 4]  5,244,000 L 6]  4,440 s   III. Convert each number to its standard form. 1]  4 x 10⁸ 2]  3 x 10² 3]  822 x 10⁻⁵ 4]  0.2 x 10¹0 5]  200 x 10⁻⁷

1.-How many significant figures are in the following numbers? 0.70620 a. b. 5010 4548 C. d. 0.00045050 7.210 x 105 e. 2.-Round up the following numbers to the designated significant figures to 2 significant figure 32445.34 to 1 significant figure 85518 to 4 significant figures 526544 3.-Express each answer in scientific notation and with the proper number of significant figures a. 1,027611 +363.06 = b. 217 903 118.7 2-35.5 C. d. 28 x 47.3= e. (5.2 x 10) x (3.33 x 102) 4.-Convert the following numbers to scientific notation, use prefixes and use only 2 significant figures Example 52,000,000 g 52 X 10 g 52Mg 52 megagrams 0.0000003 g a. b 26198151 L 1546 m C. 5.-What does the slope of each line on the graph tell you? 6.-Which runner finish the race first red, blue or green? TIME (seconds) b) 4x+2-2(x+6) 7.-Solve for X in the following equations: a) 25 554x-4.245 8.-Classify each statement as a law, a theory, an experiment, a hypothesis, an observation Birds evolved from dinosaurs. 1. Hot…

Do the following calculation of measured masses from an experiment: 5.656 g + 168.435 g + 75.657 g Calculate the total mass (g) to the correct number of decimal places. Calculate the answer and round to significant figures. Group of answer choices a.  2.49748 x 10^1 b.  250. c.  249.748 d.  249.8 e.  249.75

Do the following calculations to the correct number of significant figures: a.) 3.8 x 105-8.45 x 104 b.) 0.004 + 0.09879  c.) 1459.3 + 9.77/ 4.32 d.) 432/7.3-28.523

23. 2 x 75.33333 = ____________ (significant figures).   A. 100   B. 200   C. 150.6   D. 151   E. 150.6666

Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 + 246.346133 + 0.3257413 - 0.9246435

1. Describe how to use conversion factors correctly using an example. 2. Write a number between 1.000 and 9999999.99. Write the number of significant figures in your number. 3. Give an example of how to find significant figures in calculations for A addition or subtraction B. multiplication and division

Convert 234.0 x10^-4 to the proper exponential notation following thr rules of significant figures. A. 2.340x10^2 B. 2.340x10^ 0 C. 2.340x10^-2 D. 2.34x10 ^ 3 E. 2.340x10^ 3 F. 2.340x10^-1 G. 2.34x10^-2 H. 2.34x10^2 I. 2.34x10 ^-3 J. 2.340x10^ -3 K. 2. 349x10^1 L. 2.340

Do the following calculations to the correct number of significant figures: MUST follow the rules of SIGNIFICANT figures  a.) 432/7.3-28.523 b.) 0.004 + 0.09879 c.)87.6 + 9.888 +2.3 + 100.77 d.) 5.01 x 105/7.8 x 102