Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Skills Handbook - Squaring Numbers and Finding Square Roots - Exercises - Page 889: 4



Work Step by Step

To square a number, we multiply the number by itself. Therefore: $$(\frac{8}{5})^2=\frac{8}{5}\times\frac{8}{5}.$$ To multiply two fractions, we multiply the numerators and the denominators: $$\frac{8}{5}\times\frac{8}{5}=\frac{8\times8}{5\times5}=\frac{64}{25}$$
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