Wiki User
β 13y ago25 digits
Wiki User
β 13y agoYou 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.
99999
60
Whole numbers between 10 and 100 using the digits 3, 1, and 8 are:13, 18, 31, 38, 81, and 83.13, 18, 31, 38, 81 and 83.
Six, if you don't repeat any.
24
Most people prefer to write numbers using digits since this is far shorter than writing out the relevant words.
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.
99999
60
Whole numbers between 10 and 100 using the digits 3, 1, and 8 are:13, 18, 31, 38, 81, and 83.13, 18, 31, 38, 81 and 83.
Six, if you don't repeat any.
There are 60480 numbers.
depends on your answer
In decimal we write a number by using a combination of 10 digits (0-9). In base 2, however, numbers are written by using a combination of only 2 digits (0 & 1). We call this number system binary.
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
There are 4^6 = 4096 such numbers.