Question

Which number is irrational?

A. 3/8

B. 56/8 to the fourth

C. 36 to the fourth over 4 to the fourth

D. 0.19 repeating

Answer 1

3/8= 0.375

56/8 to the fourth =2.64575131...

36 to the fourth over 4 to the fourth=3

And 0.19 is repeating so we can already exclude D

Answer 2

@mathmate

Answer 3

\[\sqrt{56/8}=2.64575131... \]

Answer 4

I think would be my answer am I correct

Answer 5

https://www.wolframalpha.com/input/?i=%2856%2F8%29^%281%2F4%29

Answer 6

So I'm not? That's not very helpful sorry

Answer 7

https://www.wolframalpha.com/input/?i=%2836^%281%2F4%29%29%2F%284^%281%2F4%29%29

Answer 8

B and C are both irrational