Question

Please give step by step explanation
1. Determine each of the following products:
(i) 12 × 7
(ii) (-15) × 8
(iii) (-25) × (-9)
(iv) 125 × (-8)
2. Find each of the following products:
(i) 3 × (-8) × 5
(ii) 9 × (-3) × (-6)
(iii) (-2) × 36 × (-5)
(iv) (-2) × (-4) × (-6) × (-8)
3.Divide:
(i) 102 by 17
(ii) -85 by 5
(iii) -161 by -23
(iv) 76 by -19
(v) 17654 by -17654
(vi) (-729) by (-27)
(vii) 21590 by -10

Answer 1

Answer:

Q1

1) 12 × 7 = 84

2) (-15) ×8 = - 120

3) (-25 × (-9) = 225

4) 125 × (-8) = -1000

Q2

1) 3 × (-8) × 5 = (-24) × (- 120) = 2880

2) 9 × (-3) × (-6) = (-27) × 126

3) (-2) ×36 × (-5) = (- 72) × 360 = -25920

4)(-2) × (-4) × (-6) × (-8) = 8 × 48 = 384

Q3

1) 102 ÷ 17 = 6

2) (-85) ÷ 5 = -17

3) (-161) ÷ (-23) = 7

4) 76 ÷ (-19) = - 4

5) 17654 ÷ (- 17654) = -1

6) ( -729) ÷ (-27) = 27

7 ) 21590 ÷ ( - 10) = - 2159

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