Donna has only nickels in her hand asia has exactly the same number of dimes and no other coins together they have a total of $.90 how many coins is each person holding show your work below

what are the things "represented below"?

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nobody can if you dont give the choices

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)

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its 50 miles away from the starting point

what are you trying find out?

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