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3. Perform the indicated operation.
1. 5 (-4) =
3. 8 ÷ 4 =
2. 2 (9)=
4.36 - 64 =
5.23 + 17 =
6.(-31) + (-6) =
7.(-85) + 91 =
8.20 = (-5) =
9.(-67) +13=
10.45 - (-23)=​


Sagot :

Answer:

1.=20

2.=2

3.=18

4.=-28

5.=40

6.=37

7.=6

8.=-100

9.=54

10.=68

Step-by-step explanation:

HOPE IT HELPS

Answer:

1. 5(-4)= -1

so ussualy its 5+(-4) = [-1]

Subtraction because possitive + negative = Negative

2. 8÷4 = 2

ilang 4 meron sa 8? so answer is 2

3. 2 (9) = 18

means Multiply .

4. 36 - 64 =28

subtracted them.

5. 23 + 17 =40

addition.

6. (-31) + (-6) = -42

addition but the sign is negative

7. (-85) + 91 = 6

subtraction because possitive + negative = negative, and also the nunber 91 is higher than 81 so possitive will be the sign.

8. 20 + (-5) = 15

9. (-67) + 13 = -54

10. 45 - (-23) = 71

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