Răspuns :
5.
a) [(-5)⁴]⁷=(-5)²⁸=5²⁸
b) [(-7)³]⁶=(-7)¹⁸=7¹⁸
c) {[(-1)²]³}⁴=(-1)²⁴=1
d) {[(0,5)⁴]³}²=0,5²⁴
e) [(2/3)⁵]⁶=(2/3)³⁰
f) [(x²)⁷]³=x⁴²
g)[(a⁷)²]³=a⁴²
h)[(-y⁵)²]⁴=(-y)⁴⁰=y⁴⁰
i)[(-b²)³]⁰=1
a) [(-5)⁴]⁷=(-5)²⁸=5²⁸
b) [(-7)³]⁶=(-7)¹⁸=7¹⁸
c) {[(-1)²]³}⁴=(-1)²⁴=1
d) {[(0,5)⁴]³}²=0,5²⁴
e) [(2/3)⁵]⁶=(2/3)³⁰
f) [(x²)⁷]³=x⁴²
g)[(a⁷)²]³=a⁴²
h)[(-y⁵)²]⁴=(-y)⁴⁰=y⁴⁰
i)[(-b²)³]⁰=1