Răspuns:
8.(3/4)³= (3/4)¹• (3/4)¹•(3/4)¹
(5/6)²= (5/6)¹• (5/6)¹
(2/5)⁷= (2/5)¹• (2/5)¹• ((2/5)¹• (2/5)¹• (2/5)¹• (2/5)¹•(2/5)¹
(300/277)³= (300/277)¹• (300/277)¹• •
(300/277)¹
Explicație pas cu pas:
Ex.9
a) 4/9
b) 125/216
c) 1/16
d) (3/2)⁵= 3⁵/2⁵= (3²•3²•3)/ 32= 243/ 32
e) 49/ 64
f) 3⁶= 3³•3³= 27•27= 729
(1/3)⁶= 1/ 729
