Pertanyaan
Mudakan Perkelian berikut dalam pertengkatkan a. 2times 2times 2times 2times 2times 2times 2times 2 b. (1)/(3)times (1)/(3)times (1)/(3)times (1)/(3) c. 10times 10times 10 Tentukan hasil bila ngan berikut. a. cs^- b. (-2)^3 c 24^2
Jawaban
Penjelasan
Mari kita analisis ini satu per satu:
1. Perkalian seperti yang diminta dalam soal bisa diubah menjadi perpangkatan.
a. 2×2×2×2×2×2×2×2 adalah perkalian 2, sebanyak 8 kali, jadi jawabannya adalah 2^8;
b. 1/3×1/3×1/3×1/3 adalah perkalian 1/3, sebanyak 4 kali, jadi jawabannya adalah (1/3)^4;
c. 10×10×10 adalah perkalian 10, sebanyak 3 kali, jadi jawabannya adalah 10^3.
2. Jika ditanya untuk menghitung pembangkitan bilangan:
a. 5^5 berarti 5 dikalikan sebanyak 5 kali, hasilnya adalah 3125;
b. (-7)^3 berarti -7 dikalikan sebanyak 3 kali, hasilnya adalah -343;
c. 24^2 berarti 24 dikalikan sebanyak 2 kali, hasilnya adalah 576.
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