Question

Simplify. (-3ab^3)^4

Answer 1

`\large\boxed{(-3ab^3)^4=81a^4b^(12)}`

Explanation:

`\text{Use}\\\\(xy)^n=x^ny^m\\\\(x^n)^m=x^(nm)\\---------------------\\\\(-3ab^3)^4=(-3)^4(a)^4(b^3)^4=81a^4b^(3\cdot4)=81a^4b^(12)`