Jawaban:
7. 2,7 - 3,9
= -1,2
8. -2³ + 28
= (-2x-2x-2) + 28
= -8 + 28
= 20
9. Faktor : 1,2,4,5,8,10,20,40
10. 16 = 2⁴, 20 = 2² x 5
KPK = 2⁴ = 16
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Jawaban:
7. 2,7 - 3,9
= -1,2
8. -2³ + 28
= (-2x-2x-2) + 28
= -8 + 28
= 20
9. Faktor : 1,2,4,5,8,10,20,40
10. 16 = 2⁴, 20 = 2² x 5
KPK = 2⁴ = 16