Sandy's orchard has only apple trees and pear trees and she is wanting to add some avocado trees. currently, there are 4 apple trees for every 3 pear trees. she is wanting to plant enough avocado trees so that she has 2 avocado trees for every 5 pear trees in the orchard. sandy is planting 18 avocado trees, making the ratio of avocado trees to apple trees be to .

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:

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step-by-step explanation: