Mammoth Memory

Indices law - law 2


 A negative is divide

To remember this put simple numbers in. ie Try simple numbers you know first.





Also try other examples you know like starting with `10^2` and remove `1` from the power and understand the answer you get:

Remove 1 from the power and the answer gets smaller and smaller


1.       `5^-3`  is the same as  `1/5^3`

2.       `x^-3`  is the same as  `1/x^3`


More Info