Kunci Jawaban Latihan 1.3 Matematika Kelas 9 Halaman 30, 31, 32 Full Pembahasan Materi Perpangkatan

= (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

d. 3 x 5^4
________ - 15
5^3

= 3 x 5^(4-3) - 15
= 3 x 5^1 - 15
= 15 -15
= 0

Baca Juga: Kunci Jawaban IPS Kelas 7 Halaman 41, Persebaran Penduduk Indonesia

e. 4^5/4^4 - 2^4/2^3 x 6
= 4^(5-4) - 2^(4-3) x 6
= 4 - 2 x 6
= 4 - 12
= -8