Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Section 7.1 - Percents, Decimals, and Fractions - Exercise Set - Page 477: 94


a) $0.5\%$ b) $0.53\%$

Work Step by Step

a) To round to the nearest tenth, inspect the digit in the hundredths position. $0.5\underset\uparrow269\%$$\Rightarrow$ since $\lt5$, round down $0.5269\%\approx0.5\%$ b) To round to the nearest hundredth, inspect the digit in the thousandths position. $0.52\underset\uparrow69\%$$\Rightarrow$ since $\geq5$, round up $0.5269\%\approx0.53\%$
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