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Q: Why cellphone numbers have 10 digits?

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10 digits are numbers in the billions.

India they have 24 digits in their telephone number and 60 in their cellphone. you really don't want to text someone in India!

Ten digits total, including the zero at the beginning. i.e. these would be valid: 0xx xxxxxxx +31 xx xxxxxxx

In the US and Canada, telephone numbers have 10 digits, including the area code. Other countries use phone numbers with different numbers of digits.

10

the answer is get a life

Yes, mobile phones in Ireland do have 10 digit numbers.

501

-- The decimal system (base-10) uses 10 digits to write all numbers. -- The binary system (base-2) uses 2 digits to write all numbers.

Ten different digits can be used to make 10C4 = 10*9*8*7/(4*3*2*1) = 210 four-digit numbers. Either numbers starting with 0 are permitted or the 10 digits do not contain a 0.

10001

90 99-10+1

Any variation of 10 digits.

There are 9 digits that can be the first digit (1-9); for each of these there is 1 digit that can be the second digit (6); for each of these there are 10 digits that can be the third digit (0-9); for each of these there are 10 digits that can be the fourth digit (0-9). → number of numbers is 9 × 1 × 10 × 10 = 900 such numbers.

There are 10 digits in our number system. The symbols 0,1,2,3,4,5,6,7,8,and 9 are the digits used to create numbers.

You can get the cellphone numbers of the chicser text club by first joining the club. The cellphone numbers of individuals in the club are available only to members.09077039257

The answer will depend on how many digits you have at your disposal. Working with the 10 digits, and barring leading zeros, there are 8,877,690 numbers.

27 numbers between 10 to 200

Two of them.

How many counting numbers have three distinct nonzero digits such that the sum of the three digits is 23?

This cannot be answered. This will have to be written to where it can be understood.

In the numbers 1-9 each number has 1 digit and there are 9 of them, so that's 9.In 10-99 each number has 2 digits, and there are 90 of them: 2x90 = 180There are 900 three digit numbers [100 through 999]: 2700 digits.There are 9000 four digit numbers: 36000 digits.90,000 numbers with five digits: 450,000 digits.900,000 numbers with six digits: 5,400,000 digits.Then 1 number with seven digits: 7 digits.Add them up and you have 5,888,896 digits.

100. Palindromic numbers for the range 10000 to 20000 are 5 digits numbers of the form abcba. The first digit ('a') must be '1'. There are 10 possible digits for 'b' (0-9) and for each of these 10 possible digits for 'c' Thus there are 1 x 10 x 10 = 100 palindromic numbers between 10000 and 20000.

28

10 (565,566,567,568,569,570,571,572,573,574)