What is 3A times 3A?
9a²
What is a ^ 2B ^ 3 times (AB ^ 2) ^ - 2
A ^ 2B ^ 3 times (AB ^ 2) ^ - 2
=A ^ 2B ^ 3 times (a ^ - 2b ^ - 4)
=B^-1
If you don't understand this question, you can ask,
(2Ab ^ 2) times (- 3A ^ 2b) ^ 2
Solution
(2ab²)×(-3a²b)²
=(2ab²)×(9a^4b²)
=18a^5b^4