d. (42y^8)/(12y^5)
= (7/2)y^(8-5)
= (7/2)y^3
Baca Juga: Kunci Jawaban Tematik Kelas 3 SD MI Tema 1 Halaman 96 Ayo Berlatih, Pengurangan
e. (1/t)^7 (1/t)^3
________ x _______
(1/t)^3 (1/t)^2
= (1/t)^(7-2)
= (1/t)^5
f. (3w^4)/(w^2) x 5w^3
= 3 x 5 x w^(4 - 2 + 3)
= 15w^5
3. Sederhanakan
a. 0,2^4 x 0,2^2 / 0,2^5
= 0,2^(4 + 2 - 5)
= 0,2^1
= 0,2
b. -5^5 / (-5^2 x -5^2)
= -5^(5 - 2 - 2)
= -5^1
= -5
c. 12 + 4^7/4^6
= 12 + 4^(7-6)
= 12 + 4^1
= 12 + 4
= 16