Chapter 1, Problem 90b
Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (b) 68.507 g (2, 3)
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The diameter of the Earth at the equator is 7926.381 mi. (a) Round off this quantity to four significant figures and then to two significant figures.
The diameter of the Earth at the equator is 7926.381 mi. (b) Express the answers in scientific notation.
Round off the following quantities to the number of significant figures indicated in parentheses. (a) 35,670.06 m (4, 6)
Round off the following quantities to the number of significant figures indicated in parentheses. (c) 4.995⨉103 cm (3)
Round off the following quantities to the number of significant figures indicated in parentheses. (d) 2.309 85⨉10-4 kg (5)
Round off the following quantities to the number of signifi-cant figures indicated in parentheses. (a) 7.0001 kg (4)