UK Secondary (7-11)
Multiplication law with variable bases

## Interactive practice questions

Simplify the following, giving your answer with a positive index: $2^2\times2^2$22×22

Easy
Less than a minute
Simplify the following, giving your answer in index form: $3^9\times3^{10}$39×310.
We want to simplify the expression $a^2\times a^3$a2×a3.
$a^3\times?=a^6$a3×?=a6