First, let's find all the factors of 81:
81/3=27
27/3=9
9/3=3
3/1=1
So the factors of 81 are 3,3,3,3, (the numbers by which we divided here).
This means we can write down 81 as 3*3*3*3 or

- which is the answer to the question! (three to the power of 4)
Step-by-step explanation: I think not sure.
1 rod is equal to 16.5 feet
4x is the proportionality
Answer I believe that the answer is 1/36.
Step-by-step explanation: I just toke the test and got it right.