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Find the product, using suitable properties :

(i) 26 × (-48)+(-48) × (-36) 

(ii) 8 × 53 × (-125) 

(iii) 15 × (-25) × (4) × (-10) 

(iv) (-41) × 102 

(v) 625 × (-35) +(625) × 65 

(vi) 7 × (50 – 2) 

(vii) (-17) × (-29) 

(viii) (-57) × (-19) + 57

1 Answer

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Best answer

(i) 26 × (-48) + (-48) × (-36) 

= -48 × [26 + (-36)] 

= -48 × (-10) 

= 480

(ii) 8 × 53 × (- 125) 

424 × (- 125) 

= -53000

(iii) 15 × (-25) × (-4) × (-10) 

= (-375) × (40) 

= -15000 

(iv) (-41) × 102 

= -4182 

(v) 625 × (-35) + (-625) × 65 

= 625 × [(-35) + (-65)] 

=625 × (-100) 

= – 62500 

(vi) 7 × (50 – 2) 

= 7 × 48 

= 336 

(vii) (-17) × (-29) 

= 493

(viii) (-57) × (-19) + 57 

=1083 + 57 

= 1140

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