Area codes
How many 6 digit area codes are possible if the first number can't be zero?
Correct result:
Correct result:

Showing 0 comments:
Tips to related online calculators
You need to know the following knowledge to solve this word math problem:
Next similar math problems:
- Three-digit numbers
How many three-digit numbers are from the numbers 0 2 4 6 8 (with/without repetition)?
- A three-digit numbers
Determine the total number of positive three-digit numbers that contain a digit 6.
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
- Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
- Three digits number
How many are three-digit integers such that in they no digit repeats?
- Phone numbers
How many 7-digit telephone numbers can be compiled from the digits 0,1,2,..,8,9 that no digit is repeated?
- Combinatorics
The city has 7 fountains. Works only 6. How many options are there that can squirt ?
- Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there?
- Numbers
How many different 3 digit natural numbers in which no digit is repeated, can be composed from digits 0,1,2?
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
- Prize
How many ways can be rewarded 9 participants with the first, second and third prize in a sports competition?
- Digits
How many five-digit numbers can be written from numbers 0.3,4, 5, 7 that is divided by 10 and if digits can be repeated.
- Three-digit
How many three-digit natural numbers is greater than 321 if no digit in number repeated?
- No. of divisors
How many different divisors have number ??
- Gold, silver, bronze
How many ways can we divide gold, silver, bronze medails if there are 6 people competing?
- Three-digit integers
How many three-digit natural numbers exist that do not contain zero and are divisible by five?
- How many 4
How many 4 digit numbers that are divisible by 10 can be formed from the numbers 3, 5, 7, 8, 9, 0 such that no number repeats?