Răspuns :
Răspuns:
a) 5 la 90
b) 7 la 30
c) 15 la 48
d) 19 la 24
e) 11 la 40
f) 13 la 30
a) [(5⁶)⁵]³ = 5⁶•⁵•³ = 5⁹⁰
b) [(7³)²]⁵ = 7³•²•⁵ = 7³⁰
c) [(15³)²]⁸ = 7³•²•⁸ = 7⁴⁸
d) [(19³)⁴]² = 19³•⁴•² = 19²⁴
e) [(11⁴)²]⁵ = 11⁴•²•⁵ = 11⁴⁰
f) [(13⁵)³]² = 13⁵•³•² = 13³⁰