Question

30 points i need an answer asap please…

Which of the following expressions is correctly written in scientific notation?

3.28 10-4

16.4 x 103

0.71 x 10-5

6.722

Answer 1

option number 1

Explanation:

scientific notation is in form of

a × 10^b

where decimal in a should be after first number. and a should be none zero term