Question

solve: (a/5)^-2

Answer 1

i think you might be missing an = sign.

Answer 2

you can write it as (5/a)^2
inverting values will change the sign from negative to positive..
so it will be,
25/a^2

Answer 3

nope, its exponents

Answer 4

why do you invert the values?

Answer 5

I told earlier that inverting values will result in sign change.. look after inverting i have changed power sign from negative to positive..

Answer 6

I understand that, but I thought you only do that for the reciprocal?

Answer 7

I did it to make it easier to evaluate.. positive powers are easy to evaluate..

Answer 8

okay, so can that apply to all exponent laws?

Answer 9

yes.. you can apply it any where in mathematics.. :)

Answer 10

okay can you also help me with another one i'm about to post

Answer 11

sure message me the link of that question..