Question

Choose the correct simplification of the expression 3 times b all over a to the power of negative 2.

3a2b
a to the 2nd power over 3 times b
3 times a to the 2nd power all over b
Already simplified

Answer 1

bring the \(a\) upstairs and make the exponent positive
\[\frac{1}{a^{-2}}=a^2\]