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

a. (-4)^5/(-4)^2
= (-4)^5-2
= (-4)^3
= -(4^3)
= -64

b. (-4)^6/(-4)^2
= (-4)^6-2
= (-4)^4
= 4^4
= 256

c. (0,3)^7/0,3^3
= 0,3^7-3
= 0,3^4
= 0,3 x 0,3 x 0,3 x 03
= 0,0081

Baca Juga: Kunci Jawaban Matematika Kelas 9 Halaman 46, 47, 48, 49 Latihan 1.4, Pangkat Nol, Negatif, dan Bentuk Akar

d. (2/5)^9/(2/5)^5
= (2/5)^9-5
= (2/5)^4
= 2^4/5^4
= 16/625

e. 3^7 x 3^2 / 3^3
= 3^(7 + 2 - 3)
= 3^6
= 3 x 3 x 3 x 3 x 3 x 3
= 729

f. (5^5)/(5^2 x 5^3)
= 5^5/5^(2+3)
= 5^5/5^5
= 1

g. 2^7 x 6^7 / 4^7
= 2^7 x (2 x 3)^7 / 2^(2x7)
= 2^7 x 2^7 x 3^7 / 2^14
= 2^(7 + 7) x 3^7 / 2^14
= 2^(14-14) x 3^7
= 2^0 x 3^7
= 1 x 3^7
= 3^7
= 2.187

h. 6^7 x 3^3 / 2^7
= 2^7 x 3^7 x 3^3 / 2^7
= 3^(7+3)
= 3^10

Baca Juga: Kunci Jawaban Prakarya Kelas 9 Halaman 12, Mengobservasi Keragaman Nilai pada Produk Kerajinan Bahan Keras