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iogann1982 [59]
3 years ago
7

Which of the following is a rational number?

Mathematics
2 answers:
Trava [24]3 years ago
4 0

Answer:

C) √(64)

Step-by-step explanation:

The square root of 64 is 8; this is a rational number.

Artemon [7]3 years ago
3 0
C because the square root of 64 is 8 

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Answer:

Step-by-step explanation:

These exponential forms can be written into radicals very easily as long as you remember the rule:  The denominator of the rational exponent serves as the index of the radical and the numerator serves as the exponent on the radicand. Let's look at a rational exponent.  3/4  4 would be the index on the radical (the number that sits in the little dip of the radical sign) and 3 is the power on the base.  So

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Let's do 3^3/2 in your problem.  2 is the index (which is a "normal" square root and you don't need to write a 2 there cuz it's understood that it's a 2 if nothing is there), and 3 is the power on the base, which in our case is a 3.  Bases can be numbers OR letters.

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That does in fact have an actual number answer, but I don't think you are simplifying them yet, only learning to write them from one form to another, so there you go!

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