General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Textbook Question
Chapter A.1, Problem A.1P
Perform the following calculations, expressing the result in scientific notation with the correct number of significant figures. (You don’t need a calculator for these.)
- (a) (1.50 × 104) + (5.04 × 103)
- (b) (2.5 × 10–2) – (5.0 × 10–3)
- (c) (4.0 × 104)2
- (d)
- (e)
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Express the results of the following multiplications and
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(d) (5.247 × 10'3) × (1.3 × 10-17) =
Express the following numbers as decimals:(a) 1.52 × 10−2
, (b) 7.78 × 10−8
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(d) 1.6001 × 103.
For each of the following numbers, determine the number ofsignificant figures it contains, rewrite it without using scientific notation, and determine thenumber of significant figures in the result. (a) 3.050 × 10–4
, (b) 4.3200 × 102
, (c) 8.001 × 10–7,
(d) 2.006080 × 105
, (e) 1.503 × 10–5
, (f) 6.07510 × 104
Chapter A.1 Solutions
General Chemistry: Atoms First
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