Question

2*2^2*2^3*...2^40=
Ma poate ajuta cineva?

Answer 1

$2 \times {2}^{2} \times {2}^{3} \times ... \times {2}^{40} = {2}^{1 + 2 + 3 + ... + 40} \\ 1 + 2 + 3 + ... + 40 = \frac{40 \times 41}{2} = 820 \\ rez \: final \: {2}^{820}$