1. a) 2⁴/ 5⁴
b)3⁶/8⁶
c)1⁷/7⁷
d)7⁵/8⁵
2. a) (142/245)⁰= 1
b)( 3 si 2/3)²= (11/3)²=121/9
c)(3/2)⁵=3⁵/2⁵=243/32
d)(1/3)⁴=1⁴/3⁴=1/81
e)(10/16)²=10²/16²=100/256