Find the value using suitable properties
A. 34 x 102
B. 25 x 34 x 4
C. 73 x 25 + 73 x 75
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Answer:
A. 34×102
= 34× (100+2)
= 34×100+34×2
= 3400+68
= 3468
B. ( 25×34) ×4 = 25×(34×4)
LHS=850×4=3400
RHS= 25×136=3400
hence, LHS=RHS
answer= 25 x 34 x 4 = 3400
C. 1825+5475
= 7300
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