30 times because when you count up in tens this is the answer
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10 times for the one's digit, 1-100 10 times for the ten's digit, 60-70 = 20 times
48
To determine how many times the digit 3 appears from 1 to 500, we need to consider each place value separately. In the units place, the digit 3 appears 50 times (3, 13, 23, ..., 493). In the tens place, the digit 3 appears 5 times in each set of 10 numbers (30, 31, 32, ..., 39), totaling 50 times. In the hundreds place, the digit 3 appears 100 times (300, 301, 302, ..., 399). Therefore, the digit 3 appears 200 times from 1 to 500.
The number 7 occurs once. The digit 7 occurs 20 times.
999-111=888 888 3 digit numbers can be made with numbers between 1 - 9