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3 years ago

Which expression is a irrational number? A. 0.78 repeating

Mathematics

2 answers:

katen-ka-za [31]3 years ago

6 0

Answer:

The answer is C. Square root √18

Step-by-step explanation:

you are looking for irrational number.

if use a calculator and you see that the √18 is 4.242642687119285 is a non-terminated number and non-repeated number so its irrational

the other three is rational because you can turn them into a fraction and we don't want that.

Oxana [17]3 years ago

4 0

<span>An irrational number has an infinite decimal expansion that does not repeat. Numbers that have infinite decimal expansions that do not repeat </span>cannot<span> be expressed as the fraction of two integers.

</span>A rational number is any number that can be expressed as the fraction of two integers.

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Hello!

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