Question

1.

What must the value of n be so that it satisfies 3.8x10" = 0.0038?
a.) n =- 3
b.)
n = 3
=
c.)
n =- 2
d.) n =- 4

Answer 1

a) n = -3

Explanation:

3.8 x 10^n = 0.0038

0.0038 = 38/10000 = 38/10^4 = 38 x 10^-4 = 3.8 x 10^-3