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When multiplying large numbers, if one of those numbers is even, subdividing those numbers will help one solve the problem quickly. For instance, consider 20 x 120 (divide the 20 by 2 and double the 120) = 10 x 240 = 2400 The answer to 20 x 120 is 2,400.

When multiplying large numbers, if one of those numbers is even, subdividing those numbers will help one solve the problem quickly. For instance, consider


20 x 120 (divide the 20 by 2 and double the 120) =


10 x 240 = 2400


The answer to 20 x 120 is 2,400.

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
8 years ago
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