Question

11 Select the numbers that are expressed in scientific notation. (Choose 4) 7.4 x 10³ 8.2 x 10-² 0.0045 0.052 2.1 x 105 1.4 x 105​

Answer 1

Answer: 7.4 x 10^3, 8.2 x 10^-2

Explanation:

Those are the only two that are in Scientific Notation. In order to have something be in SN (Scientific Notation), the first number must be 9 or under and the second number must always be 10 raised to the power of any number.