Asked by Anonymous

In Simplifying 7 to the 11th power and 7 to the 9th power, Alexis decides to use her calculator to find 7 to the 11th power and 7 to the 9th power indiviually before dividing. Show how Alexis could use the laws of exponents to arrive at the answer more easily.

Answers

Answered by Damon
assume you are doing
7^11
------
7^9

Which is
7^9 * 7^2
----------
7^9

so 7^2
which is 49

to multiply, add exponents
to divide, subtract exponents
to raise to power, multiply exponents
Answered by Anonymous
thanks so much
Answered by Damon
You are welcome !
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