Question

Which expression is equivalent to b^m•b^n

A. b^m•n
B. b^m-n
C. b^m+n
D. b^m÷n

Answer 1

The answer is b^m+n

Explanation:

Answer 2

`b^m\cdot b^n=b^(n+m)`

Answer: C. b^m+n

Example

`2^3\cdot2^4=(\underbrace{2\cdot2\cdot2}_(3))\cdot(\underbrace{2\cdot2\cdot2\cdot2}_(4))=\underbrace{2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2}_(3+4=7)=2^7`: