Answer
$\frac{3}{16}$
Work Step by Step
$\frac{9}{4}$$\times$$\frac{9}{4}$$\times$$\frac{21}{7}$$\div$81
$\frac{9}{4}$$\times$$\frac{9}{4}$$\times$3$\times$$\frac{1}{81}$
$\frac{9\times9\times3\times1}{4\times4\times81}$
$\frac{3}{16}$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Section 1.8 - Multiplication and Division of Fractions - Exercise - Page 48: 32
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