Oh, isn't that just a happy little mystery! You see, in a 4-digit lottery machine, there are usually 10 balls for each digit, ranging from 0 to 9. So, if we have 4 digits, we would have 10 balls for each digit, making a total of 40 balls in the machine. Just imagine all those colorful little balls swirling around, waiting to bring joy to someone's day!
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a snowman has two or three balls
1
106 golf balls
There are 210 4 digit combinations and 5040 different 4 digit codes.
The first 8 digit number is 10,000,000, the last is 99,999,999 which means there are 90,000,000 8 digit numbers