In calculating interest by the previous balance method, purchases and payments during the month are not counted in calculation of interest.
Step-by-step explanation:
I hope this helps out bye.
Answer:0.4
Step-by-step explanation:
For this case we have the following functions:

By definition of composition of functions we have to:
So:

By definition of division of powers of the same base we have to place the same base and subtract the exponents:

ANswer:

A. The volume is 8 times more
b. The volume is 27 times more
c. The volume is 64 times more