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Oleh karena a^m x a^n = a^(m + n), maka
2⁵ x 2⁹ x 2¹² = (2⁵ x 2⁹) x 2¹² = 2^(5 + 9) x 2¹² = 2¹⁴ x 2¹² = 2^(14 + 12) = 2²⁶.
Cara praktis: 2⁵ x 2⁹ x 2¹² = 2^(5 + 9 + 12) = 2²⁶.
Soal no. 2:
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Oleh karena aⁿ x bⁿ = (a x b)ⁿ, maka
2⁵ x 3⁶ x 4⁶ = 2⁵ x (3 x 4)⁶ = 2⁵ x 12⁶
bisa juga disederhanakan menjadi
2⁵ x (12 x 12⁵) = 12 x (2 x 12)⁵ = 12 x 24⁵
Semoga membantu :)