Answer:
Yes thats correct
Step-by-step explanation:
One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do

since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get

, which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.
Answer:
14
Step-by-step explanation:
I think. sorry if i am wrong
Answer:
Do the parentheses first. then the operations. Then solve
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
you have to see how many 2.50 go into 15 pound