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How many four digit numbers are possible if the pin cannot begin with a 0 and the pin must be an odd number?
There are 4,500 combinations.
How many phone numbers are possible for a certain area code Assume that zero cannot start an area code or the first digit of the number itself Which method should be used to solve this problem?
There are some necessary parameters missing in your problem as written above. You need to know, first and foremost, how many digits in a telephone number. In the USA and Canada, that is always 7, but in some countries it may be more or less than that, and some places even have different lengths of telephone numbers within the same city or town, but that would be beyond the scope of this type of word problem. A digit with no restrictions has ten possible values. The restriction that the first digit cannot be zero reduces that position to 9 possible values. Multiply together the number of possible values for each digit of the telephone number. For example, if you have a 7-digit phone number, and the only restriction is that the first digit cannot be zero, then you have 9 x 10 x 10 x 10 x 10 x 10 x 10 x 10 = 9,000,000 possible telephone numbers In reality, there are about 7.9 million possible phone numbers in any given US or Canadian area code, because there are additional restrictions on the first three digits. For example, a number can begin with 4, and can even begin with 41, but cannot begin with 411.
How many prime numbers begin with 9?
An infinite number.
How many primes number begin with 8?
Believe it or not, the number of prime numbers beginning with 8 is infinite.
How many numbers between 1 and 200 begin or end with the number 2?
29
How many four digit numbers are possible if the pin cannot begin with a 0 and the pin must be an odd number?
There are 4,500 combinations.
What are The set of numbers that begin with the number 1?
The set of numbers that begin with the number 1 is Natural Numbers.
How many prime numbers begin with a nine?
This question cannot be answered because an infinite quantity of prime numbers begin with a nine.
How many five digits numbers can be formed using 01234 without repetition assuming that number cannot begin with 0?
There are 4*4*3*2*1 = 96 such numbers.
What is the number of possible 9 digit social security numbers if the digits may be repeated?
If the digits may be repeated, and if the number may begin with a zero, then it's just all ofthe counting numbers up to 999,999,999.If it can't begin with a zero, then you have to throw away the first 99,999,999 and there canonly be 900,000,000.
How many phone numbers are possible for a certain area code Assume that zero cannot start an area code or the first digit of the number itself Which method should be used to solve this problem?
There are some necessary parameters missing in your problem as written above. You need to know, first and foremost, how many digits in a telephone number. In the USA and Canada, that is always 7, but in some countries it may be more or less than that, and some places even have different lengths of telephone numbers within the same city or town, but that would be beyond the scope of this type of word problem. A digit with no restrictions has ten possible values. The restriction that the first digit cannot be zero reduces that position to 9 possible values. Multiply together the number of possible values for each digit of the telephone number. For example, if you have a 7-digit phone number, and the only restriction is that the first digit cannot be zero, then you have 9 x 10 x 10 x 10 x 10 x 10 x 10 x 10 = 9,000,000 possible telephone numbers In reality, there are about 7.9 million possible phone numbers in any given US or Canadian area code, because there are additional restrictions on the first three digits. For example, a number can begin with 4, and can even begin with 41, but cannot begin with 411.
How many questions is it possible to come up with?
At least a countably infinite number: Begin with "what is the next number after 1?", then substitute successively the numbers 2, 3, 4, ... for 1 at the end of the question.
How many prime numbers begin with 9?
An infinite number.
Which number belongs to the set of complex numbers?
Lots of numbers do. To begin, all real numbers do. Multiples of sqrt(-1), aka. imaginary numbers, do. The Complex Numbers are all numbers which are the sum of a real number and an imaginary number.
What arenthe whole number factors of 75?
Whole no are the number which begin from 0 Factors of 75 are 5x5x3 All the numbers are whole numbers.
How do you text to Singapore?
Add "+65" and then the phone number behind. Singapore phone numbers are 8-digit, and office/home numbers begin with 6, mobile numbers begin with 9, and the newer mobile numbers, 8.
How many primes number begin with 8?
Believe it or not, the number of prime numbers beginning with 8 is infinite.
