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3 votes
Which expression represents a rational number?

A. 5/9 + √18

B. π + √16

C. 2/7 +√121

D. 3/10 + √11​

User Peter Kota
by
5.4k points

2 Answers

4 votes

Answer:

C.2/7+√121

Explanation:

i’m doing it rn

User Adam Obeng
by
5.8k points
4 votes

Answer:

C.2/7+√121

Explanation:

C is the only answer with the square root being a whole number while the rest of the answers' square roots are not whole number answers and the numbers after the decimal go on forever thus making it an irrational number. Also, for B, pi is not a rational number.

User Maxi
by
5.9k points