Question

Which of the following numbers is not expressed in scientific notation? Why is it not in scientific notation?

3.97x10^8

19x10^8

9.51×10^8

2.71x10^8

Which of the following numbers is not expressed in scientific notation??

A. 3.97X10^8

B. 951x10^8

C. 277x10^8

D. 19x10^8​

Answer 1

D. 19x10^8

Explanation:

I has to be less than 10

Answer 2

1. 19*10^8

2. B, C, D

the number has to be between 1-10 . it cannot be greater