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

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asked Apr 19, 2018 228k views

1 vote

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

Mathematics
high-school

Mariana Hernandez asked

by Mariana Hernandez

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2 Answers

6 votes

Answer:

The answer is b^m+n

Explanation:

DangerMouse answered Apr 20, 2018

by DangerMouse

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1 vote

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

Answer: C. b^m+n

Example

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

Oleg Mikheev answered Apr 23, 2018

by Oleg Mikheev

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