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# Question 1

1. Multiply:

(i) 15 by 9

(ii) 18 by -7

(iii) 29 by -11

(iv) -18 by 13

(v) -56 by 16

(vi) 32 by -21

(vii) -57 by 0

(viii) 0 by -31

(ix) -12 by -9

(x) -746 by -8

(xi) 118 by -7

(xii) -238 by -143 Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

(i) Multiplying 15 by 9

15 × 9 = 135

(ii) Multiplying 18 by -7

18 × (-7) = - 126

(iii) Multiplying 29 by -11

29 × (-11) = -319

(iv) Multiplying -18 by 13

-18 × 13 = -234

(v) Multiplying -56 by 16

-56 × 16 = -896

(vi) Multiplying 32 by -21

32 × (-21) = -672

(vii)Multiplying -57 by 0

-57 × 0 = 0

(viii) Multiplying 0 by -31

0 × (-31) = 0

(ix) Multiplying -12 by -9

(-12) × (-9) = 108

(x) Multiplying -746 by -8

-746 × (-8) = 5968

(xi) Multiplying 118 by -7

118 × (-7) = -826

(xii) Multiplying by -238 by -143

-238 × (-143) = 34034

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