Question

Can someone please help me?

Answer 1

The answer is D.

Explanation:

When a number has a negative exponent, it has to be turned into a fraction so that the negative is removed. So it goes from 10^-3 to 1/10^3

Answer 2

D

Explanation:

a^-b = 1/a^b

Using this formula...

10^-3 = 1/10^3

So this expression is basically saying...

1/1000 or 0.001