Question

PLEASE HELP!!! 10+5 POINTS!

Which number is written in scientific notation?

A 4.5 x 10 ⁻³

B 14.5 x 10²

C 0.78 x 10⁻⁶

D 5.7 x 4⁸

Answer 1

It's A

Explanation:

I took da quiz

Answer 2

A because the decimal always has to be less than ten, and it has to be multiplied by 10 with an exponent