Question
Find the following products, using distributive laws: $439 \times 997$
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Answer
$439 \times 997= 439 \times (1000 - 3)$
$= 439 \times 1000 - 439 \times 3$ (Using distributive law of multiplication over addition)
$= 439000 - 1317$
$= 437683$
$= 439 \times 1000 - 439 \times 3$ (Using distributive law of multiplication over addition)
$= 439000 - 1317$
$= 437683$
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