Kerjakan soal berikut 1. (-0.7)2 2. -0,72 3. (-2)4 4. -24 5. (2 × 3)2
Kerjakan soal berikut
1. (-0.7)2
2. -0,72
3. (-2)4
4. -24
5. (2 × 3)2
Pembahasan:
1. (-0.7)2 = (-0,7) × (-0,7) = 0,49
2. -0,72 = - 0,7 × 0,7 = -0,49
3. (-2)4 = (-2) × (-2) × (-2) × (-2) = 16
4. -24 = -2 × 2 × 2 × 2 = -16
5. (2 × 3)2 = 62 = 6 × 6 = 36
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