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 31: 124


The product rule for exponents is when multiplying two powers with the same base, keep the same base and add the exponents ($x^{y} \times x^{z} = x^{y+z}$).

Work Step by Step

To solve $2^{3} \times 2^{5}$, add the 3 and the 5 in the exponents and keep base as 2 to get $2^{8}$. This is equal to 256.
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