e) (1/t)7/(1/t)3 x (1/t)3/(1/t)2 = (1/t)7-3 x (1/t)3-2 = (1/t)4 x (1/t)1 = (1/t)4+1 = (1/t)5
f) 3w4/w2 x 5w3 = (3 x 5) w4-2+3 = 15w5
3.Sederhanakan
Jawaban:
a) (0,24 x 0,22)/(0,2)5 = 0,24+2-5 = 0,2
b) -55/((-5)2 x (-5)2) = -55/52+2 = -55/54 = -5
c) 12 + 47/46 = 12 + 47-6 = 12 + 4 = 16
d) (3 x 54)/53 – 15 = 3 x 54-3 – 15 = 3 x 5 – 15 = 15 – 15 = 0