Timcake1234
Timcake1234
08-02-2015
Mathematics
contestada
What number to the 4th power makes 256?
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Gwenuin
Gwenuin
08-02-2015
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
Answer Link
estefanou24es
estefanou24es
08-02-2015
4x4x4x4=256 or √256=16 and √16=4 your answer is (+-) 4
Answer Link
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