Question

2×2^3×2^5×.......×2^17=2^9×x

Answer 1

Răspuns:

Explicație pas cu pas:

2×2^3×2^5×.......×2^17 = 2^(1+3+5+...+17) = 2^72

1+3+5+...+17 = 8*(1 + 17)/2 = 8*18/2 = 8*9 = 72

_______

2^72 = 2^9 ×x

x = 2^72 : 2^9 = 2^(72-9) = 2^63