Answer:
3 stands for the main amount.
Step-by-step explanation:
Yes, is subtraction, to get their "difference".
first off, let's convert the mixed fractions, to "improper", and then subtract.

PEMDAS states that the value in the parenthesis should be evaluated first:
4(5*6)
4(30)
After just multiply the value in the parenthesis by the number outside of the parenthesis:
120
Answer:

Step-by-step explanation:
Using the rule of exponents
×
=
, then
×
=
= 