Answer
$$1.79\times 10^{-9}.$$
Work Step by Step
We divide the two numbers as follows:
$$\frac{(0.0025)^2}{3500}=\frac{(2.5\times 10^{-3})^2}{3.5\times 10^3}
\\
=\frac{6.25\times 10^{-6}}{3.5\times 10^3}=1.79\times 10^{-9}.$$
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: 76
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