Which sentence from the section "Australians Are Scared And Tired" explains that the fire has affected places outside Australia? DUE TODAY 40 POINTS

Group of answer choices

It has been at least 12 million acres.

This is about the size of West Virginia.

There has also been tons of smoke from the fires.

The smoke has traveled all the way to South America.

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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: