### Home > CALC > Chapter 4 > Lesson 4.2.2 > Problem 4-63

4-63.

Before differentiating, rewrite with a fractional exponent.

Differentiate 3*m*^{−7} and −7*m*^{3} separately.

−21*m*^{ −8} −21*m*^{ 2}

Before differentiating, rewrite *k*^{0} in a simpler form.

Before differentiating, distribute.