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which of the following numbers is a rational number a. square root of 5 b. square root of 83 c. square root of 91 d. cube root of 125. ​

Sagot :

renknee

Answer:

d. cube root of 125

Step-by-step explanation:

A: square root of 5 is 2.23606.. and so on. this is an irrational number because it's a non-repeating and non-terminating decimal.

B: square root of 83 is 9.1104.. and so on. this is an irrational number because it's a non-repeating and non-terminating decimal.

C: square root of 91 is 9.5393920.. and so on. this is an irrational number because it's a non-repeating and non-terminating decimal.

D: cube root of 125 is 5. this is a rational number because it falls under the set of natural numbers, whole numbers, and integers.

What's the cube root?

  • The cube root of a number is number you multiply by itself three times to get another number. Some common cubes are 27 (cube root is 3), 64 (cube root is 4), and 215 (cube root is 5).

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