Question

what is 4^-2, and more importantly how do we treat numbers with a negative exponent.

Answer 1

\[\huge\rm x^{-m} = \frac{1}{x^m}\]
when there is negative exponent of variable
change it to its reciprocal

Answer 2

Thanks! so 4^-2 is equal to 1/16?

Answer 3

yes right or it 1/4^2 :-)

Answer 4

sweet

Answer 5

:-)