Write an expression for the sequence of operations described below.

raise m to the 8th power, then subtract n from the result
Do not simplify any part of the expression.

(m^8) - n

Write an expression for the sequence of operations described below.

add 4 to b, then subtract 8 from the result
Do not simplify any part of the expression.

(b + 4) - 8

Write an expression for the sequence of operations described below.

raise s to the 4th power, then divide the result by r
Do not simplify any part of the expression.

(s^4) / r