find using distributive property: (a) 824×25 (b) 5437× 1001
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(a)
728× 101
=729× (100+1)
=728× 100 + 728× 1
=72800 + 728
=73528
(b)
5437 × 1001
=5437 × (1000+1)
= 5437× 1000 + 5437× 1
=5437000 + 5437
=5442437
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