Chemistry: Structure and Properties
1st Edition
ISBN: 9780321834683
Author: Nivaldo J. Tro
Publisher: PEARSON
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Textbook Question
Chapter A2, Problem 4E
How many significant figures are in each number?
a. 0.1111 s
b. 0.007 m
c. 108,700 km
d. 1.563300 × 1011 m
e. 30,800
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Determine the number of significant figures in each measurement.
a. 0.049450 s c. 3.1587 × 1 0 -4 gb. 0.000482 mL d. 0.0084 mL
How many significant figures are in each number?a. 0.1111 s b. 0.007 m c. 108,700 kmd. 1.563300 * 1011 m e. 30,800
2. How many significant figures are in the following?
a. 50.0 cm
b. 0.00500 m
c. 1.50 x 105 sec
Chapter A2 Solutions
Chemistry: Structure and Properties
Ch. A2 - For each number, underline the zeroes that are...Ch. A2 - Prob. 2ECh. A2 - Prob. 3ECh. A2 - How many significant figures are in each number?...Ch. A2 - Prob. 5ECh. A2 - Indicate the number of significant figures in each...Ch. A2 - Round each number to four significant figures. a....Ch. A2 - Round each number to three significant figures. a....Ch. A2 - Prob. 9ECh. A2 - Prob. 10E
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- Round each figure to three significant figures.a. 0.003210 g d. 25.38 Lb. 3.8754 kg e. 0.08763 cmc. 219,034 m f. 0.003109 mgarrow_forwardThe result of the calculation (1.0161-0.8711) with correct number of significant figure is a. 0.04700 b. 0.1450 c. 0.145 d. 0.0471arrow_forwardConversions: include the correct number of significant digits and follow the format included in the image. a. 0.20 m to mm b. 2.23 ks to s c. 78.9 mg to garrow_forward
- Perform the following calculations and be sure to report your answer using correct number of significant figures and units. a. 1555 in + 14.14 in + 236.00 in = b. 155.15 cm + 0.001 cm + 0.8 cm= c. 158.50 s - 33.1 s = d. 8.2 g + 23 g - 0.005 g =arrow_forwardHow many significant figures in each number? ~3.14159 ~0.0202 ~320.0 ~3.0x10^-3 ~500arrow_forwardHow many significant figures are represented in each ofthe following numbers?a. 10.0 d. 2.062b. 0.214 e. 10.50c. 0.120 f. 1050arrow_forward
- Determine the number of significant figures in each measurement. a. 508.0 L c. 1.0200 × 1 0 5 kgb. 820,400.0 L d. 807,000 kgarrow_forwardFor each number, underline the zeroes that are significant and draw an x through the zeroes that are not.a. 180,701 mi b. 0.001040 mc. 0.005710 km d. 90,201 marrow_forwardConvert 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. 2.340arrow_forward
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