Answer
$$9\times 10^{-1}.$$
Work Step by Step
We multiply the two numbers as follows:
$$(18,000)(0.00005)=(1.8\times 10^{4})(5\times 10^{-5})\\
=(1.8)(5)\times 10^{-1}=9\times 10^{-1}.$$
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 2.6 - Scientific Notation - Exercises - Page 127: 71
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