Question

Perform the following operation

and express the answer in
scientific notation.
6.300x10^-5 – 7.200x10^-3

[?]*10

Answer 1

Explanation:

6.3 x10^-5 -7.200 x10^-3= - 0.007137=7.137x10-3

Answer 2

Answer:-7.137 x 10^-3

Explanation: