Find the sum of the arithmetic series using a formula.1 + 2 + 3 + ... + 248
A. S248 = 30,876
B. S248 = 61,752
C. S248 = 30,628
D. S248 = 61,504
Answer: A
Mathematics
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B. 
C. - 
D. - 
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Round your answer to three decimal places.
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B. 
C. 
D. - 
Mathematics