Concept explainers
(a)
Interpretation:
The number
Concept Introduction:
Rules for rounding off numbers:
Rule 1: When the first digit after those that are wanted to retain is
Rule 2: When the first digit after those that are wanted to retain is
(b)
Interpretation:
The number
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The number
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The number
Concept Introduction:
Refer to part (a).
(e)
Interpretation:
The number
Concept Introduction:
Refer to part (a).
(f)
Interpretation:
The number
Concept Introduction:
Refer to part (a).
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EBK FOUNDATIONS OF COLLEGE CHEMISTRY
- Write the following numbers in standard notation. Use a terminal decimal point when needed:(a) 6.500×103 (b) 3.46×10-5 (c) 7.5×102 (d) 1.8856×102arrow_forwardPerform the following calculations and report each answer with the correct number of significant figures.(a) 628 × 342(b) (5.63 × 102) × (7.4 × 103)(c) (28.0)/(13.483)(d) 8119 × 0.000023(e) 14.98 + 27,340 + 84.7593(f) 42.7 + 0.259arrow_forwardHow many significant figures do the following numbers contain? (a) 1.233 + .1 (b) 1.233*.1 (c) 1.233/.01arrow_forward
- Convert the following from scientific notation to decimalform.(a) 3.333 × 10-3(b) -1.20 × 107(c) 2.79 × 10-5(d) 3 × 101(e) 6.700 × 10-2arrow_forwardPerform the following calculations and report each answer with the correct number of significant figures. (a) 635 ✕ 335 (b) (5.23 ✕ 102) ✕ (6.8 ✕ 103) (c) 27.2/13.383 (d) 8179 ✕ 0.000051 (e) 14.23 + 27360 + 84.5721 (f) 47.2 + 0.291arrow_forwardExpress the following in scientific notation.(a) 4579(b) -0.05020(c) 2134.560(d) 3.825(e) 0.0000450(f) 9.814arrow_forward
- Round off each of the following numbers to three significant figures.(a) 1465 (b) 13.35 (c) 1:765 x 10arrow_forwardEvaluate each of the following mathematical expressions, and express the answer to the correct number of significant digits. (a) 45.3468 + 0.85 + 7.468 (b) 9.4458 + 3.7675 - 2.71 (c) 0.8294 + 0.217 + 4.96 (d) (7.611 + 9.81 + 3.6117) / 3.0arrow_forwardExpress each of the following numbers in exponential notation with correct significant figures:(a) 704(b) 0.03344(c) 547.9(d) 22086(e) 1000.00(f) 0.0000000651(g) 0.007157arrow_forward
- For each of the following numbers, how many significant figures should be present in the scientific notation of the number? If it is ambiguous, Write "ambiguous." ( (a) 34,000,000 (c) 45.00 (b) quad0.00012 (d) 0.100010arrow_forwardConvert the following quantities into SI units with the correct number of significant figures. (a) 5.4 in (b) 66.31 lb (c) 0.5521 gal (d) 65 mi/harrow_forwardUnderline the significant zeros in the following numbers:(a) 5.08(b) 508(c) 5.080*10^3(d) 0.05080arrow_forward
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