How many account numbers are possible if no digit appears more than once?

Q: How many ordered triples of letters are there taken from the letters A, T, C, and G?

A: given letters: A,T,C and Gtotal number of letters = 4

Q: Suppose account numbers for an internet service provider consist of alpha-numeric characters. The…

A: Suppose account numbers for an internet service provider consist of alphanumeric characters. The…

Q: How many students went to have gone to spain and france but not germany?

A: The Venn diagram is ,How many students went to have gone to Spain and France but not Germany?

Q: How many 7-digit numbers can be made from the digits 1, 2, 3, 4, 5, 6, and 7 if each digit can only…

A: Digits: 1, 2, 3, 4, 5, 6, 7.

Q: Evaluate 1,C5 and P,

A: For 12C5, The formula of combination is,   Substitute the values in the above equation.   Thus,…

Q: Use each number 26, 27, 28, 29, 30, 31, 32, 33, and 34 once.

A:

Q: From the digits 1, 2, 3, 4, 5, 6, 7, 8, and 9, how many three-digit numbers greater than 400 can be…

A: digits : {1,2,3,4,5,6,7,8,9}  select 3 digits to make 3 digit number.  find no. of ways to make…

Q: I need help with 13

A: By Mean value theorem, if a function f is differentiable on a, b, then there exist c∈a, b such that…

Q: If joe has 666666 snacks and aj has 2020 every time he comes over how many times will there be…

A: Let x denote the number of times aj can have cookies. So after x times, there will be no cookies…

Q: The first three digits of a 10-digit phone number make up the area code for the number. How many…

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Q: 18 A D. 5x-7

A: Given ,  We have to find value of x

Q: A state’s license plate has 7 characters. Each character can be a capital letter (A−Z), or anon-zero…

A: According to the given information, it is required to find the number of license plates that starts…

Q: 4. Find the 2"

A: Given problem is :

Q: How many numbers from 1 to 5000 are divisible by 3 and 17.

A:

Q: Find the g.c.f. and l.c.m. of the set of numbers. {2, 4, 10, 36} g.c.f.       l.c.m.

A:

Q: have 7 cats and take away 3 how many would i have left

A: Given : Total number of cats = 7

Q: How many different 4-letter words can be formed from the letters of BUSTLED?

A: The given word is BUSTLED

Q: Simplify. - V4 = 0

A:

Q: 9/3 7/3 +. 9.

A:

Q: A survey of 100 people showed that 25 own a car, 58 own a bicycle, and 17 own both a car and a…

A: Solution-: We have Number of people showed that own a car =25               Number of people showed…