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1.) 7⁻³ = 1/7³
= 1/343
2.) 4⁻² = 1/4²
= 1/16
3.) -5⁻⁵ = 1/-5⁵
= 1/-3125
4.) 8⁻³ x 17⁻⁵ = 1/8³ x 1/17⁵
= 1/(2³)³ x 1/17⁵
= 1/2⁹ x 1/17⁵
= 1/2⁹17⁵
5.) 20p⁻⁵ : 10p⁻²⁵
= 20/10 p ⁻⁵⁻⁽⁻²⁵⁾
= 2p ⁻⁵⁺²⁵
= 2p²⁰
jawaban soal bagian B
1.) (4/5)⁻² = 4⁻²/5⁻²
= 5²/4²
= 5²/(2²)²
= 5²/2⁴
2.) (7/19)⁻¹⁰ = 7⁻¹⁰/19⁻¹⁰
= 19¹⁰/7¹⁰
3.) (-13/23)⁻¹⁷ = -13⁻¹⁷/23⁻¹⁷
= - 23¹⁷/13¹⁷
jawaban soal bagian C
1.) 1/(2/3)⁸ = (2/3)⁻⁸
= 2⁻⁸/3⁻⁸
2.) 1/(-17/20)⁶ = (-17/20)⁻⁶
= -17⁻⁶/20⁻⁶
3.) 1/(25/26)¹⁵ = (25/26)⁻¹⁵
= 25⁻¹⁵/26⁻¹⁵
= (5²)⁻¹⁵/26⁻¹⁵
= 5⁻³⁰/26⁻¹⁵