### Home > CCA > Chapter 3 > Lesson 3.1.1 > Problem3-7

3-7.

Gerardo is simplifying expressions with very large exponents. He arrives at each of the results below. For each result, decide if he is correct and justify your answer using the meaning of exponents. Homework Help ✎

1. $\frac { x ^ { 150 } } { x ^ { 50 } }$x3

Remember to subtract the exponents when dividing terms with like bases.

2. $y^{20}·y^{41}⇒y^{61}$
3. $(2m^2n^{15})^3⇒2m^6n^{45}$