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ozzi
3 years ago
15

1.(‐5)(8) 2.(4)(‐4) 3.(‐1)(‐9) 4.(5)(6) 5.(12)(‐2) 6.(‐15)(9) 7.(5)(‐6) 8.6(‐6) 9.(‐27)(14) 10.(‐32)(0) 11.(128)(‐3) 12.(‐54)(‐4

) 13.(+21) ÷ (+7)
Mathematics
1 answer:
djyliett [7]3 years ago
7 0

Answer:

1, (-5)(8)=-40 2, (4)(-4)=-16. 3, (-1)(-9)=9. 4 , (5)(6)=30. 5, (12)(-2)=-24. 6, (‐15)(9) =-135. 7. (5)(‐6)= -30. 8. 6(‐6) = -36. 9. (‐27)(14) = - 378. 10.(‐32)(0) = 0. 11.(128)(‐3)= -384. 12.(‐54)(‐4) = 216. 13.(+21) ÷ (+7)= +3

Step-by-step explanation:

positive number multiplied by positive number gives positive number

negative number (-ve) times positive number (+ve) gives -ve

-ve times -ve gives +ve

+ve times -ve gives -ve

hope it helps

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30   Y

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34   N

35   N

36   Y

37   Y

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