Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.2 - Exponents and Scientific Notation - Exercise Set - Page 30: 54



Work Step by Step

Start with given expression: $\frac{20b^{10}}{10b^{20}}$ Separate fractions with like terms: $\frac{20}{10}\times\frac{b^{10}}{b^{20}}$ Divide and use quotient rule on fractions: $2b^{-10}$ Use negative exponent rule to simplify: $\frac{2}{b^{10}}$
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