Question

Which expression is equivalent to X^2 * X^-6

a.) x^-4
b.)x^-2 * x^-6
c.)1/x^-2
d.)x/x

Answer 1

Answer:

a.) x^-4

Step-by-step explanation:

$x^2\cdot x^{-6}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=x^{2+(-6)}=x^{2-6}=x^{-4}$