Question

ajutati ma urgent!!!!dau coroana+55 puncte

Answer 1

$2^1+2^2+2^3+...+2^{100}=$
$=2(1^1+1^2+1^3+...+1^{100})$
$=2* \frac{1^{100}*(1^{100}+1)}{2}$
$=2* \frac{1*(1+1)}{2}$
[tex]=2.\\ Succes![/tex]