Question

Evaluate 27 × a^-2 for a = 3.

Answer 1

1/3

1/9

9

3

Answer 2

Plug in 3 for a.

Answer 3

Once you plug that in start solving.

Answer 4

@Future_UsArmy_MP

Answer 5

@iGreen

Answer 6

What does 27 * 3^-2 equal to?

Answer 7

Simple math, we're talking about here.

Answer 8

and i want a simple explanation, thats what Open study is looking for

Answer 9

You could solve this I gave you the equation. All you have to do is plug it in a caluclator.

Answer 10

\[27 \times a^{-2}\]
\[27 \times 3^{-2}\]
\[27 \times 0.11111111111111\]

Can you multiply that? @Future_UsArmy_MP

Answer 11

Thank you @iGreen.

Great explanation.

Answer 12

Np