IQR=36-16.. which would give you 20!
The snake is 2-ft 4-inches long.
I learned that from reading the question carefully,
including all of the given information..
Answer:
Shown below
Step-by-step explanation:
First allocate the power of three to every number
= 
not sure what you mean by positive exponents, the exponents already are positive. Maybe you mean positive exponents and integers?