Question

2^(2x)=81

Answer 1

I'm afraid that's incorrect

Answer 2

\[2^4\neq81\]

Answer 3

Exactly .

Answer 4

it's going to be messy i believe you're going to have to take the ln of boh sides

Answer 5

sorry my bad im stumped

Answer 6

Actually the answer is suppesed to be log(2)9

Answer 7

Supposed*

Answer 8

you take the natural log of both sides then you can pull out the 2x in front

Answer 9

2xln(2)=ln(81)

Answer 10

Not quite sure how to get x from there .

Answer 11

2x = ln(81)/ln(2)
x = ans / 2

Answer 12

Of course . Thank you !

Answer 13

Brown is correct

Answer 14

the answer you get is 3.169925001

Answer 15

check in calculator and you will see it = 81

Answer 16

True . Checked . Thanks again .