a) (2/3)³=2³/3³=8/27
b) (1/5)²=1²/5²=1/25
c) (3/19)°=3°/19°=1/1=1
d) (0,1)³=(1/10)³=1³/10³=1/1000=0,001
e) (0,1) la puterea 5=(1/10) la puterea5=1/100000=0,00001
f) (0,(2))³=(2/9)³=2³/9³=8/729
g) (0,1(6) )²=(16-1)²/90²=(15/90)²=(1/6)²=1²/6²=1/36
h) (2,2)³=(22/10)³=(11/5)³=11³/5³=1331/125