Kunci Jawaban Soal Mapel matematika Kelas 9 SMP Halaman 10-11 Tentang Perpangkatan dan Bentuk Akar

d. 10.000.000 jawaban: 10 x 10 x 10 x 10 x 10 x 10 x 10 = 107

Soal nomor 5

a. 256 jawaban: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 28

b. 64 jawaban: 2 x 2 x 2 x 2 x 2 x 2 = 26

c. 512 jawaban: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 29

d. 1.048.576 jawaban: (210)2 = 220

1.048.576 = 512 × 512 × 2 × 2
= 29 × 29 × 22
= 2(9+9+2)
= 220

Soal nomor 6

a. 5 jawaban: 51

b. 625 jawaban: 5 x 5 x 5 x 5 = 54

c. 15.625 jawaban: 5 x 5 x 5 x 5 x 5 x 5 = 56

d. 125 jawaban: 5 x 5 x 5 = 53

Soal nomor 7

a. 5 + 3 x 24 jawaban: 5 + 3 x 16 = 5 + 48 = 53

b. 1/2 (63 - 42) jawaban: 1/2 (216 - 16) = 1/2 x 200 = 100