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Which expression represents a rational number? startfraction 5 over 9 endfraction startroot 18 endroot pi startroot 16 endroot startfraction 2 over 7 endfraction startroot 121 endroot startfraction 3 over 10 endfraction startroot 11 endroot

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pstnonsonjoku

The value written as 2/7 is a rational number and the other options are irrational numbers.

What is a rational number?

A rational number is a number that does not end in a non terminating decimal. Surd forms as well as the value pi are all irrational numbers. We must note that the option that has no surd form or pi as a denominator is a rational number.

Hence; the value written as 2/7 is a rational number and the other options are irrational numbers.

Learn more about rational numbers:https://brainly.com/question/14297987

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nikolaychuknadea

Answer:

c

Step-by-step explanation:

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