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Can someone help me this is hard

Can someone help me this is hard-example-1
User Stecb
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1 Answer

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Irrational number are usually those that have square root or Pi.

So, we know that A and C is out, which left us with B and D.
B:

√(25) = 5
Therefore, B is a rational number.

D:

√(0.025) = 0.158113...
Therefore, D is an irrational number.
User Daroczig
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