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Nady [450]
3 years ago
12

Which expressions are equivalent to the one below? Check all that apply.

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
6 0

Use two main <u>properties</u> for <u>powers</u>:

1. (a^m)^n=a^{m\cdot n};

2. \dfrac{a^m}{a^n}=a^{m-n}.

The expression \dfrac{25^x}{5^x} can be simplified in following way:

\dfrac{25^x}{5^x}=\dfrac{(5^2)^x}{5^x}=\dfrac{5^{2x}}{5^x}=5^{2x-x}=5^x.

Then the expression \dfrac{25^x}{5^x} is equivalent to 5^x.

Answer: correct choice is D

In-s [12.5K]3 years ago
3 0
The answer is E:5
a^n/b^m=a/b^n/m
So x/x=1 and 25/5=5
Then 5^1=5
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