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What do the digits in Assessor's Parcel Numbers signify?
Assessor Parcel Numbers (APN) are 8 digits long. The standard formatting for the numbers is 000-000-00. The book number is the first three digits. The page number is the next two digits. Your APN can be found on your value notice or tax bill.
How many 4 digit numbers can be formed by the digits 5 6 7 8?
24
How many three-digit whole numbers have no 7's and no 9's as digits?
The first digit can be one of {1, 2, 3, 4, 5, 6, 8}, ie one of 7 digits; for each of these, the second digit can be one of {0, 1, 2, 3, 4, 5, 6, 8}, ie one of 8 digits; for each of these two, the third digit can also be one of {0, 1, 2, 3, 4, 5, 6, 8}, ie one of 8 digits; making 7 × 8 × 8 = 488 such three digit numbers.
How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed?
-4
The sum of 5 numbers is 28 and the sum of their squares is 226 what is the average?
If the sum of 5 = 28 then the average is 28 / 5 = 5.6 If the sum of the squares = 226 then the average is 226 / 5 = 45.2 From this information, and by a process of elimination, the numbers might be 1, 2, 6, 8 and 11.
