2.)
Find the sum of the first 20 terms of the arithmetic sequence 4, 8, 12, 16,
Formula:
S = [2a, +(n-1)]
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2.)
Find the sum of the first 20 terms of the arithmetic sequence 4, 8, 12, 16,
Formula:
S = [2a, +(n-1)]
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Answer:
840
Step-by-step explanation:
basta yan yung sagot