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Mashcka [7]
4 years ago
5

Please help posted picture of question

Mathematics
1 answer:
Leni [432]4 years ago
8 0
Hello!

First you factor 28

2^2 * 7 = 28

Now we have

\sqrt{2^{2} }  \sqrt{7}

If you take a square root of a square number they cancel out

2 \sqrt{7}

The answer is B)2 \sqrt{7}

Hope this helps!
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