Simplify 5^-8 * 5^4 as a fraction

Answer is: 5^ - 8 * 5^4 = 5^-4

Step-by-step explanation:

To simplify : 5^ - 8 * 5^4

This can also be written as:

5^ - 8 * 5^4 = 1/5^8 * 5^4

or 5^ - 8 * 5^4 = 5^4 / 5^8

or 5^ - 8 * 5^4 = 5^ (4 - 8)

or 5^ - 8 * 5^4 = 5^-4

Hence we got 5^ - 8 * 5^4 = 5^-4