Question

what would 2b-2*3b-2 be

Answer 1

$2b^{-2}3b^{-2}$

Using the following property:

$x^y\cdot x^z=x^{y+z}$

Therefore:

$2b^{-2}3b^{-2}=3\times2(b^{-2+(-2)})=6b^{-4}$