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Q: How many different 2-digit numbers can you make by using the digits 1 3 and 5?

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89,999 different numbers i guess

10 + 23 = 33 Lowest possible real number 97 + 86 = 183 Highest possible real number 02 + 13 = 15 Lowest possible number 97 + 86 = 183 Highest possible number

If the digits are all different then 18. Otherwise, 192.

You have seven different digits (symbols) to choose from, so you can form seven different one digit numbers and 7×7=72=49 different two digit numbers.

You can select 9 numbers for the first digit, 8 numbers for the second digit, and 7numbers for the third digit; so 504 (e.g. 9*8*7) different three digit numbers can be written using the digits 1 through 9.

2222

There are 26 different letters that can be chosen for each letter. There are 10 different numbers that can be chosen for each number. Since each of the numbers/digits that can be chosen for each of the six "spots" are independent events, we can multiply these combinations using the multiplicative rule of probability.combinations = (# of different digits) * (# of different digits) * (# of different digits) * (# of different letters) * (# of different letters) * (# of different letters) = 10 * 10 * 10 * 26 * 26 * 26 = 103 * 263 = 1000 * 17576 = 17,576,000 different combinations.

It is possible to create infinitely many numbers, of infinitely many different lengths, using the digits of the given number. Using each of the digits, and only once, there are 5! = 120 different permutations.

99999

60

With base one million, you can create one nonillion different numbers; using the traditional decimal (base ten) system, you can form 100 thousand different numbers.

24 different numbers.

If they can be repeated, 343 different numbers. If they can be used once each, there are only 210.

10+23 = 33

0000 0001 0002 ... 9998 9999

There are 60480 numbers.

If you want 4-digit numbers, there are 24 of them.

There are 3*2*1 = 6 of them.

18

There are 4^6 = 4096 such numbers.

Base two is also referred to as the binary number system.In the decimal system we use 10 different digits (0 to 9) to represent numbers. However, all numbers in binary consist of a combination of only 2 different digits; a "0" and/or a "1".All numbers can be represented using only these 2 digits.

6 possible 3 digit combonations

20 of them, if repetition is not allowed.

Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.

9,999,876 is the greatest seven-digit number using four different digits.