Question

Simplify: b^10/b^2

A. b^5

B. b^-8

C. b^-5

D. b^8​

Answer 1

D: b^8

Explanation:

b^10/b^2 becomes slightly clearer if written as:

b^10

--------

b^2

To obtain the correct exponent here, subtract 2 from 10, obtaining 8:

b^10

-------- = b^8

b^2

Answer D is correct.