what are the sum of the first 8 multiple of 9 and and product it by the first 3 multiple of 8 and round your final answer
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The answer will be 15552 if the sum of first 8 multiples of 9 is multiplied by sum of first 3 multiples of 8
tuyettruong5608:
good job
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sum = 9+18+27+36+45+54+63+72
= 324
1st multiple of 8 = 324*8 = 2592
2nd multiple of 8 = 324*16 = 5184
3rd multiple of 8 = 324*24 = 7776
the required number = 2592+5184+7776 = 15,552
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