Question

Calculati media aritmetica a nr : $2^{17} , 2^{18} si 2* 3^{19}$

Answer 1

$m_{a}$=$\frac{ 2^{17}+2^{18}+2*3^{19} }{3}$=
$\frac{( 2^{17} (1+2)+2*3^{19}) }{3}$=
$\frac{(2^{17} *3+2*3^{19} )}{3}$=
$2^{17}*3:3+2* 3^{19} :3=$
$2^{17} +2* 3^{18}$