Well, darling, if you've got 8 tens, that's 80. And if we're talking about how many ones are in 80, the answer is 0. Because we're dealing with tens here, not ones. Math can be a tricky little devil, but I'm here to set the record straight.
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Oh, dude, you got me doing math now? Alright, so there are 8 tens, which is like 80, and in 80, there are 8 ones. So, the answer is 8 ones in 8 tens. Easy peasy, lemon squeezy.
In 8 tens, there are 8 groups of 10, which equals 80. Since each group of 10 consists of 10 ones, there are a total of 80 ones in 8 tens.
No. The tens unit is independent of the ones unit
9 tens + 12 ones = 9 × 10 + 12 × 1 = 90 + 12 = 102.
8
If the first digit is 9, you have 9 options (0-8) for the second digit. If the first digit is 8, you have 8 options (0-7) for the second digit. Etc. This leaves you with the arithmetic series: 0 + 1 + 2 + 3 + ... + 9.
That is $922.(if you're talking about dollar bills)