Move to the denominator using the negative exponent rule .

Move to the numerator using the negative exponent rule .

Apply the product rule to .

Raise to the power of .

Apply the product rule to .

Raise to the power of .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Simplify ((2m)^-4)/((7m)^-5)