Question

What is `-3a^3b^7*5a^11b`?

Answer 1

`-15a^14b^8`

Explanation:

When multiplying or dividing in algebra, the process is always the same:

Work with the signs. (odd number of negatives makes a negative)
Multiply or divide the numbers,
Add or subtract the indices of like bases (usually the variables).

`-3a^3b^7*5a^11b`

The steps are shown separately..

= `- (3xx5) (a^3 xxa^11)(b^7xxb^1)`

= `-15a^14b^8`