Which statement best explains why objects are pulled toward Earth's center? Earth has a magnetic force that is strongest at its core.

Earth has a much greater mass than objects on its surface.

the way of the atmosphere pushes objects toward Earth surface.

the strength of the Sun's gravity pushes down on objects at Earth's surface.

I neeed the answerr noe.

Step-by-step explanation:

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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: