#### Answer

$1.32\times10^{10}$

#### Work Step by Step

Doubling means multiplying by two...
$6.6\times10^9\times2=13.2\times10^9=1.32\times10^{10}$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$1.32\times10^{10}$

Doubling means multiplying by two...
$6.6\times10^9\times2=13.2\times10^9=1.32\times10^{10}$

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