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What number to the 4th power makes 256?

Sagot :

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We could work this out using log, but an easier way would be to find the square root of the square root.

Because of the way indices work, ((x)²)² = x⁴

so;

= √√256

= √16

= 4
4x4x4x4=256 or √256=16 and √16=4 your answer is (+-) 4
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