Question

Can you help me find the missing number I have an exam tomorrow and I really need to know the answer

(2/3)^ =16/81

Find the answer for ^

Answer 1

^ is 4

Explanation:

as you can see,
`(16)/(81)=(2^4)/(3^4)=((2)/(3))^4`

Answer 2

Hello,

`( (2)/(3) ) {}^(n) = (16)/(81)`

`nln( (2)/(3) ) = ln((16)/(81))`

`n = (ln( (16)/(81) ))/(ln( (2)/(3) )) = 4`

Answer : 4