Answer:
3^4 / 8^2 or 81/64
Step-by-step explanation:
(-8)^-2 / 3^-4 =
= 3^4 / (-8)^2
= 3^4 / 8^2
= 81/64
Check the attached file for the solution.
Wool = $3
Silk = $7.5
So $10.50 in total.
Hope it helps!
469 + 8346 = 8,815...is that what you needed to know?