There are 4 tens in 640 or 640/10 = 64
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There are 64 tens in 640. This is because each place value to the left of the decimal point represents a power of 10, with the tens place being the second digit from the right. In the number 640, the digit 6 is in the hundreds place, indicating 6 sets of 100 (or 10^2), and thus there are 64 sets of 10 (or 10^1) in 640.
Well, honey, there are 64 tens in 640. Why? Because each digit in a number represents a different place value, and in this case, the digit 6 represents 6 tens. So, simple math tells us that 6 times 10 equals 60, and that's how many tens are in 640.
Well, isn't that a happy little question! In 640, there are 64 tens. Each digit's place value tells us how many tens are in the number. So, with a number like 640, we have 6 hundreds (which is 60 tens) and 4 tens, making it a total of 64 tens.