What is the sum of the first 400 natural numbers?
A.40 000
B.80 200
C.100 400
D.120 800
With Solution Step-by-Step
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What is the sum of the first 400 natural numbers?
A.40 000
B.80 200
C.100 400
D.120 800
With Solution Step-by-Step
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B. 80,200
formula to be used:
where n is the number of terms
a1 is the first term
sn is the sum of the terms
an is the last term
solution: