Mathematics, 07.07.2020 22:01 jwmiciche7367
In the following sequence of numbers each number has one more "1" than the preceding number: 1, 11, 111, 1111, 11111, ... . What is the tens digit of the sum of the first 30 numbers of the sequence?
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Pls i’m super dumb and i need with this one it’s due tomorrow
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In the following sequence of numbers each number has one more "1" than the preceding number: 1, 11,...
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