evalute by using suitable identity(50.5)x(49.5)
Answers
Answered by
2
Answer:
2,499.75 -- is your answer
Step-by-step explanation:
50.5
×49.5
_____
2525
4545×
2020×
_______
2499.75
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Answered by
5
Answer:
The answer is 2499.75
Step-by-step explanation:
How about using formula of algebra instead of multiplying.
(50.5)×(49.5)
= (50+0.5)×(50-0.5)
= (50)^2 - (0.5)^2 [(a+b) (a-b) = (a^2 - b^2)
= 2500 - 0.25
= 2499.75
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