Question

2. Find the value of the following.
b) () c) (8) d) (3)
e)
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Answer 1

Answer:

Step-by-step explanation:

If a, b, c are three whole numbers then a×(b + c)=a ×b + a×c . This is known as distributive law of multiplication over addition.

If a, b, c are three whole numbers then a×(b -  c)=a ×b - a×c . This is known as distributive law of multiplication over addition.   (b≥c)     

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Solution:

(a) 297 x 17 + 297 x 3

= 297 x (17 + 3)

= 297 x 20

= 5940

(b) 54279 x 92 + 8 x 542379

= 54279 x (92 + 8)

= 54279 x 100

= 5427900

(c) 81265 x 169 – 81265 x 69

= 81265 x (169 – 69)

= 81265 x 100

= 8126500

(d) 3845 x 5 x 782 + 769 x 25 x 218

= 3845 x 5 x 782 + 769 x 5 x 5 x 218)

= 3845 x 5 x 782 + 3845 x 5 x 218

= 3845 x 5 x (782 + 218)

= 3845 x 5 x 1000

= 19225000

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Hope