Answer:
1st 30 positive multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 73, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240.
FORMULA: Sn = n (a1 + a2) / 2
S30 = 30 (8+240)/2
= 30 (248) / 2
= 7,440/2
= 3, 720
ANSWER: 3, 720
Step-by-step explanation:
sana makatulong hehe
3720
formula:sn= [n/2 [2a+ [n-1]d]
pa brainliest
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Answers & Comments
Answer:
1st 30 positive multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 73, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240.
FORMULA: Sn = n (a1 + a2) / 2
S30 = 30 (8+240)/2
= 30 (248) / 2
= 7,440/2
= 3, 720
ANSWER: 3, 720
Step-by-step explanation:
sana makatulong hehe
Answer:
3720
Step-by-step explanation:
formula:sn= [n/2 [2a+ [n-1]d]
pa brainliest