Question

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Answer 1

a) 256 fatorando = 2^8
4 = 2^2
8 = 2^3

256x4^7/8^6=
2^8 x (2^2)^7/ (2^3)^6=
2^8 x 2^14 / 2^18=
2^22/2^18=
2^4