Answer:
5050
Step-by-step explanation:
formula used : sn = n(n+1)/2
a = 1
n = 100
therefore,
s100 = 100(100+1)/2
= 10100/2
= 5050
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Verified answer
Answer:
5050
Step-by-step explanation:
formula used : sn = n(n+1)/2
a = 1
n = 100
therefore,
s100 = 100(100+1)/2
= 10100/2
= 5050