Question

What is the value of the expression 1/5^-5 ?
a.1/3125
b.1/25
c.25
d.3125

Answer 1

that's 5^5

Answer 2

If you have 1/5^-5
you want to turn it into something you are use to working with which is positive powers, to do this you multiply by your magic number one
multiple top and bottom by 5^5

Answer 3

Remove the negative exponent and rewrite
1/1/5^5
5^5 = 3125

1/1/3125 simplify and your answer is ??? 3125 :)