Sederhanakan perpangkatan berikut ini5² × (⅖)³ × (⅖)⁵
Eksponen
aᵐ × aⁿ = aᵐ⁺ⁿ
aᵐ : aⁿ = aᵐ⁻ⁿ
5² × (2/5)³ × (2/5)⁵
= 5² × (2/5)³⁺⁵
= 5² × (2/5)⁸
= 5² × 2⁸/5⁸
= 2⁸ × 5²⁻⁸
= 2⁸ × 5⁻⁶
= 2⁸ × 1/5⁶
= 2⁸/5⁶
Penjelasan dengan langkah-langkah:
5² × (2/5)³ × (2/5)⁵
= 5(5) × (2⁸/5⁸)
= 25 × 256/390.625
= 6.400/390.625
= 256/15.625
= 2⁸/5⁶