Question

Which number is NOT in scientific notation: 11x 10^21, 5.7 x 10^9, 3.1 x 10^-21 , 1.67 x10^-5

Answer 1

just here for the points :)

Explanation:

Answer 2

11 x 10^21

Explanation:

11 x 10^21 is not in scientific notation because it is above the number 10