Which expression is equivalent to x^6+x^2

Algebra
Tutor: None Selected Time limit: 1 Day

x^4,x^3=7

x^5, x^3=8

x^7 x^3=10

x^9, x^3=12

Please explain answer 

May 21st, 2015

It's B, x^5,x^3 = 8

You add the exponents when multiplying bases.

May 21st, 2015

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May 21st, 2015
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May 21st, 2015
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