Casey's bank statement was ripped,
as shown.
bank statement
opening balance: $0
deposit + $144.29
withdrawal. - $80.32
deposit . . . . . + $25.71
deposit+ $80.32
withdrawal. - $30.00
closing balance:
what is the closing balance of casey's
bank statement?

Subtract the withdrawals and add the deposits

Step-by-step explanation:

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation: