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Eddi Din [679]
3 years ago
12

PLEASE HELP! Which number is a rational number?

Mathematics
1 answer:
8090 [49]3 years ago
8 0

Answer:

C. 17.156

Step-by-step explanation:

A rational number is any integer, fraction, terminating decimal, or repeating decimal. It can be expressed as a ratio of two integers.

The first answer wouldn't make sense, because there is no number times itself that would equal 15. Therefore, it would be irrational. Same goes with the last option.

We can also automatically rule out the second option because it is a nonterminating decimal.

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In adding decimal numbers, make sure that the decimal points are aligned. Since each number has different counts of numbers after the decimal point, use 0 to pad the missing places.
    
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