Answer
b) 9 and 10
Work Step by Step
$9^2=81$
and
$10^2=100$
Since 85 is between 81 and 100, $\sqrt {85}$ is between 9 and 10.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Entry Level Assessment - Multiple Choice - Page XXXV: 15
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