1
Question
Carry out the following multiplication in the easier way, using the properties.
(3) 25 × 213 × 4
(3) 25 × 213 × 4
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Solution
25 × 4 = 100
So, it is easy to carry out the multiplication of 25 and 4.
Therefore, the order of the numbers is changed and the multiplication of 25 and 4 is done first.
∴ (25 × 4) × 213
= 100 × 213
= 21300
So, it is easy to carry out the multiplication of 25 and 4.
Therefore, the order of the numbers is changed and the multiplication of 25 and 4 is done first.
∴ (25 × 4) × 213
= 100 × 213
= 21300
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