Question

Calculati utilizand regula a™:a^=a™-a^
A) 2 la puterea 17: 2 la p. 15
B) 3 la 11:3 la 7:3 la 2

Answer 1

$Regula\,este:\,\, a^{b}: a^{c} = a^{b-c} \\ \\ 2^{17}: 2^{15}= 2^{17-15} = 2^{2}=4 \\ \\ 3^{11}: 3^{7}= 3^{11-7}= 3^{4} = 81$