Question

Resolva as equações
A16×=256

B (1)4×=1/81
3

Answer 1

A)   16×=256 ==> (2^4)^x = 2^8 ==> 2x = 8 ==> x = 4
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B (1)4× = 1  ==> (1)^4x = (1 )^4 ==> x = 4
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