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How many counting numbers have four distinct nonzero digits such that the sum of the four digits is 10?
1,2,3,4 1+2+3+4=10 4 times 3 times 2 times 1 =24 24 counting numbers
How many 4 digit numbers can are there with distinct digits?
4,536 whole numbers or mixed numbers. 5,040 pure decimals.
Find the all distinct four-digit numbers that contain only the digits 12345?
There are 625 of them - too many to list.
What is the number of possible 9 digit social security numbers if the digits may be repeated?
If the digits may be repeated, and if the number may begin with a zero, then it's just all ofthe counting numbers up to 999,999,999.If it can't begin with a zero, then you have to throw away the first 99,999,999 and there canonly be 900,000,000.
How many three digit numbers have three distinct digits?
For a 3 digit number, the left most or the most significant digit cannot be zero. So it can be 1,2,3,4,5,6,7,8 or 9 which is 9 possibilities. The middle number can be 0,1,2,3,4,5,6,7,8,9 which is 10 possibilties but one of the digits has been chosen already as the first digit, so the possibilities are only 9. The right most number can be 0,1,2,3,4,5,6,7,8,9 which is 10 possibilities but two of the digits have been already used by the left most and the middle digits. That leaves only 8 possibilities. So the total number of three digit numbers that have three distinct digits is 9 x 9 x 8 = 81 x 8 = 648 possibilities
How many counting numbers have four distinct nonzero digits such that the sum of the four digits is 10?
1,2,3,4 1+2+3+4=10 4 times 3 times 2 times 1 =24 24 counting numbers
What is the greatest five-digits decimal numbers less than 1 whose nonzero digits are 5 and 7 only?
Not too sure of the question but how about 0.77775
When calculating the average thickness of a penny does the number of pennies in the stack influence the number of significant digits allowed?
No, counting numbers you can ignore or say they have an infinate number of significant digits. By counting numbers I mean things you count, or non measurements, or numbers you wouldn't round to significant digits anyway . Measurements always have significant digits.
What are 8 digit odd numbers with all digits different?
There are only five distinct odd digits.
What is the sum of the digits of the first 25 even counting numbers?
155
What is the number of significant digits in 48 cm?
Two - all nonzero numbers are significant.
How many significant digits are in 741?
Three - all nonzero digits are significant.
How many significant digits in 456?
Three - all nonzero digits are significant.
How many significant digits are there in 248?
Three. All nonzero digits are significant.
How many significant digits are in 11254?
Five. All nonzero digits are significant.
How many significant digits are in this 456?
Three. All nonzero digits are significant.
What is a 4 digit ODD numbers have all 4 digits distinct?
5555
