Question

Please help!!! (1/3-1/9) to the 2nd power

Answer 1

its 26/81 but try simplifying

Answer 2

the answer is 4/81 but how did u come up with that

Answer 3

how do u work the problem out?

Answer 4

i didnt i used a fraction calculator

Answer 5

oh I need to know how to work the problem out

Answer 6

ohh ok
you take 1/3 - 1/9^2 so 9 is the only one that has the 2 power

Answer 7

then what do u do

Answer 8

1-1 = 1
9*9 = 81
3- 81 = 78

so its 1/78

Answer 9

its saying the answer is 4/81 but how did they get that answer

Answer 10

that was in the answer key in the back of the book but it doesnt show how it is done

Answer 11

\[\left(\begin{matrix}1/3-1/9 \\ ?\end{matrix}\right)\]

Answer 12

to the second power

Answer 13

(3/9 - 1/9)^2 = (2/9)^2 = 4/81

Answer 14

thank you

Answer 15

ur welcome