Answer
$10^{13}$
Work Step by Step
To multiply powers of 10, add the exponents.
$10^4\times10^9=10^{4+9}=10^{13}$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 2 - Section 2.5 - Powers of 10 - Exercises - Page 122: 1
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