Question

Which number is irrational? 0.06¯¯¯¯ 16 49−−√ 17−−√

Answer 1

.066.... if x=0.0666

100x-10x=6.666-.666

90x=6

x=1/15  so it is rational  (as is any repeating numerical pattern)

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16 can be expressed as 16/1 so it is rational...

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√49=±7=±7/1, so it is rational

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√17, seventeen is prime so the square root is irrational as it cannot be expressed as a ratio of two integers...

So only √17 is irrational from your list :)

Answer 2

I think 0.06 but im not sure