Question

1.4 x 10 to the 7th power/7.0 x 10 to the -2 power in scientific notation

Answer 1

\[\frac{1.4 \times 10^7}{7.0 \times 10^{-2}}= \frac{1.4}{7.0} \times \frac{10^7}{10^{-2}}=.2 \times 10^9=2\times 10^8\]

Answer 2

Why is it to the 9th power and not the 10th?

Answer 3

Because 7 -(-2)=9

Answer 4

Ok. I see. Thank you

Answer 5

yw