Question

Simplify 81^-3/4

Answer 1

0.037037037

Answer 2

1/27

Answer 3

Actually, tell me:
\(3 \times 3 \times 3 \times 3 = ??\)

Answer 4

81

Answer 5

Friends, don't give direct answers..

Answer 6

medal please

Answer 7

So, can I write:
\[81 = 3^4\]

Answer 8

Yes

Answer 9

@Preetha will give you medal.. Just wait..

Answer 10

So now what?

Answer 11

81^(1/4) = 9^(1/2) = 3
3³ = 27 <--- B

Answer 12

Now:
\[(3^4)^\frac{-3}{4}\]

Answer 13

Is this right?

Answer 14

You lost me now..

Answer 15

And you must know:
\[(a^m)^n = (a)^{m \times n}\]

Answer 16

I have just replaced 81 as 3^4