Question

5. Find each of the following products by using
properties of multiplication:
(i) 972 x 8 +972 x 2
(ii) 46 x 982 + 27 982 - 58 x 982 - 15 x 982​

Answer 1

(1) 972(8+2)

972(10

9720

Answer 2

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(i)

972 × 8 + 972 × 2

972 ( 8 + 2 ) [Distributive property]

972 × 10

9720

(ii)

46 × 982 + 27 × 982 - 58 × 982 - 15 × 982

982 { 46 + 27 + ( - 58 ) + ( - 15 ) }

982 { 73 + ( - 73 ) }

982 { 0 }

0