Question

How do you simplify `3a^ 2b^ -3`?

Answer 1

Use this rule for exponents to simplify (remove the negative exponent):

`x^color(red)(a) = 1/x^color(red)(-a)`

`3a^2b^color(red)(-3) = (3a^2)/b^color(red)(- -3)= (3a^2)/b^color(red)(3)`