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How many natural numbers between 100 and 1000 have 3 different digits?
Wiki User
∙ 12y ago
The first digit can be any one of 9. (any digit except zero)
For each of these . . .
The second digit can be any one of 9. (any digit except whatever the first one is)
For each of these . . .
The third digit can be any one of 8. (any digit except whatever the first 2 are)
Total possibilities = 9 x 9 x 8 = 648
Wiki User
∙ 12y ago
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What is the 3 digit odd number between 2700 2800?
Since both of those numbers contains four digits, there are no three-digit numbers between them.
Using four different digits what is the least sum you can get when you add two digit numbers?
2222
How many six digit numbers can be formed using the digits 0123456789 Example equals 123456 or 098765?
The number of six digit numbers that you can make from ten different digits ifrepetitions of same digit on the six digit number is allowed is 1 000 000 numbers(including number 000 000).If no repetitions of the the same digit are allowed then you have:10P6 = 10!/(10-6)! = 151 200 different six digit numbers(six digit permutations form 10 different digits).
How many even four digit numbers can be made using 02356 where the first digit is cannot be 0 and no digits are repeated?
Assuming that 2356 is a different number to 2365, then: 1st digit can be one of four digits (2356) For each of these 4 first digits, there are 3 of those digits, plus the zero, meaning 4 possible digits for the 2nd digit For each of those first two digits, there is a choice of 3 digits for the 3rd digit For each of those first 3 digits, there is a choice of 2 digits for the 4tj digit. Thus there are 4 x 4 x 3 x 2 = 96 different possible 4 digit numbers that do not stat with 0 FM the digits 02356.
How many 3 digit numbers can be formed from the digits 24578 if no digits can be repeated?
There are 5*4*3 = 60 such numbers.
Why is 1.75 different than 1.34?
They are different numbers, with two out of the three digits different in them. There is a difference of 0.41 between them.
Is 0.865 a natural number?
No. Natural numbers are positive (or zero) whole numbers - without digits after the decimal point.
What fraction of all 4 digits natural numbers have a product of their digits that is even?
67/72 of them.
Is 1.2112111211112111112 a natural number?
Any number that has non-zero digits after the decimal point is NOT a natural number.
Between 70 and 80 the product of its digits is 21?
Try the different numbers - there are only 11 after all - and multiply their digits. Or analyze the factors of the number 21.
How many digits between 1 and 1128?
There are 6484 digits BETWEEN the two given numbers.
How many different whole numbers between 0 and 1000 have digits whose sum is 9?
999 are whole.
Use braces and digits to designate the set of natural numbers?
{0,1,2,3,....}
How many different numbers can you make using 5 different digits?
89,999 different numbers i guess
Is every terminating decimal also a natural number?
No because natural numbers are positive whole numbers greater than 0
What are 3 numbers between 1000 000 and 4000 000 that use six different digits?
1,234,567 2,345,678 3,456,789
How many 4 digit numbers can be formed from digits 123456789?
There are 7,290 different 4-digit numbers that can be formed from the digits 1-9 without repetition.
