Kunci Jawaban Metematika Kelas 9 SMP Halaman 30 Nomor 1 dan 2 Dilengkapi Cara: Latihan 1.3, Perpangkatan

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

b. (-4)⁶/(-4)²
= (-4)⁶⁻²
= (-4)⁴
= 4⁴
= 256

c. (0,3)⁷/0,3³
= 0,3⁷⁻³
= 0,3⁴
= 0,3 x 0,3 x 0,3 x 03
= 0,0081

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d. (2/5)⁹/(2/5)⁵
= (2/5)⁹⁻⁵
= (2/5)⁴
= 2⁴/5⁴
= 16/625

e. 3⁷ x 3² / 3³
= 3⁽⁷⁺²⁻³⁾
= 3⁶
= 3 x 3 x 3 x 3 x 3 x 3
= 729

f. (5⁵)/(5² x 5³)
= 5⁵/5⁽²⁺³⁾
= 5⁵/5⁵
= 1

g. 2⁷ x 6⁷ / 4⁷
= 2⁷ x (2 x 3)⁷ / 2⁽²ˣ⁷⁾
= 2⁷ x 2⁷ x 3⁷ / 2¹⁴
= 2⁽⁷⁺⁷⁾ x 3⁷ / 2¹⁴
= 2⁽¹⁴⁻¹⁴⁾ x 3⁷
= 2⁰ x 3⁷
= 1 x 3⁷
= 3⁷
= 2.187

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h. 6⁷ x 3³ / 2⁷
= 2⁷ x 3⁷ x 3³ / 2⁷
= 3⁽⁷⁺³⁾
= 3¹⁰
= 59.049