Question

So sánh: \({2^3}{.2^4}\) và \({2^7}\).

Answer 1

\({2^3} = 2.2.2 = 8\)

\({2^4} = 2.2.2.2 = 16\)

\({2^3}{.2^4} = 8.16 = 128\)

\({2^7} = 2.2.2.2.2.2.2 = 128\)

Vậy \({2^3}{.2^4} = {2^7}\).