In a certain city in the Philippines, all seven-digit telephone numbers begin with 350. How many telephone numbers may be assigned to that city if the last four digits should not begin or end in zero?

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Q: The local​ seven-digit telephone numbers in city A have 157 as the first three digits. How many…

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Q: In a certain city in the Philippines, all seven-digit telephone numbers begin with 350. How many…

A: To determine the number of telephone numbers that can be assigned to the city, we need to consider…

Q: How many telephone numbers have no repeated digits?

A: Given, A telephone number consists of seven digits which is combination of {0,1,2,3,4,5,6,7,8,9}.

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A: The sum of two codes is 1203.  To find the two codes.

Q: In recent years, a state has issued license plates using a combination of two letters of the…

A: Given that, In recent years, a state has issued license plates using a combination of two letters of…

Q: Anna must choose a four-digit PIN number. Each digit can be chosen from 0 to 9.  How many different…

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Q: access code for your home security system consists of five digits. Each digit can be any number from…

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Q: If the largest of 89 consecutive integers is 327, what is the smallest?

A: It is given that largest to the 89 consecutive integers is 327. We need to find the smallest integer…

Q: License plates consist of 4 digits followed by 4 upper-case letters. Plates that start with 00 are…

A: This question belongs to permutation and combination's.for detailed solution refer the attached…

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Q: Tonya's ZIP code is 24760. How many zip codes altogether could be formed, each one using those same…

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Q: Assume that there are 325 million people in the United States. If 128,978 people died of a stroke in…

A: Total population = 325 million                          = 325000000Let x be the number of people who…

Q: Standard automobile license plates in a particular country display 2 digits, followed by 2 letters,…

A: There are 10 digits from 0-9  There are 26 letters from A-Z   We can pick each digit in 10 ways and…

Q: Thirty-eight coins have a total value of $5.90. If the coins are all nickels and quarters, how many…

A: 38 nickels and quarters have a total value of $5.90.