What is 1000 to the 5th power?

Answer 1

1000^3 can be written as 1000 * 1000 * 1000. To simplify this use the fact that 1000 = 10^3 (ten to the third power).

So 1000^3 = (10^3)^3

Now use the rules of exponents:

(10^3)^3 = 10^9 = 1000000000 "one trillion"