Haylifschch Haylifschch

31-05-2016
Mathematics

Answered

Which rational expression is equal to a positive whole number when evaluated?

2 ^1/2

8 ^1/3

12 ^1/4

15 ^1/5

Verified Answer :

31-05-2016

8^1/3

8 is 2^3 so 8^1/3 = 2

The other expresssions don't give whole numbers.

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08-03-2019

Answer:

B) 8^1/3

Step-by-step explanation:

It is B) 8 ^1/3

we can write 8 as 2^3

8^1/3 = (2^3)^1/3

= 2^3/3 [3/3 = 1]

= 2^1

= 2 which is a whole number.

Answer: B) 8^1/3

Hope this will helpful.

Thank you.

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