Question

solve using distributive law
736×103
258×1008
493×8+493×2
1568x184-1568x84​

Answer 1

Answer:

1)736×103

=736×(100+3)

=736×100+736×8

=73600+2208

=75,808

THEREFORE,736×103=75,808

2)258×1008

=258×(1000+8)

=258×1000+258×8

=258000+2064

=2,60,064

THEREFORE,258×1008=2,60,064

3)493×8 + 493×2

=(500-7×8) + (500-7×2)

={(500×8)-(7×8)} + {(500×2) - (7×2)}

=(4000-56)+(1000-14)

=3,944+986

=4,930

THEREFORE,493×8 + 493×2=4930

4)156×184-1568×84

={156×(200-16)} - {1568×(100-16)}

={156×200-156×16} - {1568×100-1568×16}

=(31200-130,496)-(156800-25088)

= -99,296-131712

=−103,008

THEREFORE,156×184-1568×84=−103,008

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