Question

Using suitable grouping, find the product
a. 4 X 357 x 25 b. 8 x 1635 X 125. With explanation ​

Answer 1

Solution :

Case 1 :-

→ 4 × 357 × 25

→ 4 × 25 × 357

→ 100 × 357

→ 35700

Case 2 :-

→ 8 × 1635 × 125

→ 4 × 2 × 1635 × 25 × 5

→ 4 × 25 × 2 × 5 × 1635

→ 100 × 10 × 1635

→ 1000 × 1635

→ 1635000

Answer 2

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