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Q: Use the digits 0 2 and 5 to make a three digit number that has both 2 and 5 as factors?

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24 three digit numbers if repetition of digits is not allowed. 4P3 = 24.If repetition of digits is allowed then we have:For 3 repetitions, 4 three digit numbers.For 2 repetitions, 36 three digit numbers.So we have a total of 64 three digit numbers if repetition of digits is allowed.

It is possible to create a 3-digit number, without repeated digits so the probability is 1.

401

There are several ways to answer this. I think this is the easiest: Count the number of three-digit numbers: The first digit can be 1-9; the second and third digits can be 0-9. So, there are 9 choices for the first digit and 10 choices for the second and third digits. This gives you 9 x 10 x 10 = 900 three-digit numbers. Right? Then count the number of three-digit numbers that do NOT contain the digit 2. This is done similarly! Try it! Now, if you think about it, the difference between these two quantities IS the number of three-digit numbers that DO contain a 2, which is what you wanted.

121 because 2x1x1=2 and 11x11=121

Related questions

102 is the smallest three digit number with different digits.

450 or 900

The only number that ONLY has two and five as factors is 10, which has two digits, so there are no numbers that are three digits long and ONLY have two and five for factors. However, if you are asking what the largest three digit number that has two and five for factors, it would be the largest three digit number with ten as a factor, as ten the the LCM of two and five, and that would be 390.

smallest 8 digit number with three different digits

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36. None of them are three digits.

The largest three digit prime number whose digits are all primes is 773.

The largest number with no repeated digits is 9,876,543,210 although it is 10 digits long, the largest 3 digit number with no repeated digits is 987

10

All five digit numbers have three digits. The smallest five digit whole number is 10,000

The largest number with three digits is 999.

We call them by the number of their digits. Two-digit number, three-digit number and so on.

137?

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