#### Answer

$\approx0.016$

#### Work Step by Step

Using graphing calculator as asked in question we get
$\sum ^{9}_{i=4}3\left( 0.25\right) ^{i}\approx 0.016$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$\approx0.016$

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