### Home > PC > Chapter 1 > Lesson 1.2.2 > Problem 1-85

1-85.

Simplify each expression to a single integer with an integral power, or state “impossible” and explain why. Homework Help ✎

2

^{3}· 3^{2}2

^{2}+ 2^{3}2

^{2}· 2^{3}(2

^{2})^{3}2

^{2}− 2^{4}

Impossible, different bases.

Impossible, bases are being added.

Impossible, bases are being subtracted.