A telephone company can issue telephone numbers consisting a 10-digit calling number. The 5-digit number must comm contain no repeated digits. The 10-digit number must comm and may contain repeated digits. How many distinct teleph tifer

A telephone company can issue telephone numbers consisting a 10-digit calling number. The 5-digit number must comm contain no repeated digits. The 10-digit number must comm and may contain repeated digits. How many distinct teleph tifer

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Related questions

Q: Which number line highlights all whole numbers that round to 470 if we are rounding to the nearest…

A: Rounding numbers to the nearest ten is a straightforward process. Here are the steps:Identify the…

Q: How many possible area codes are there in the United States? (Be sure to remove 411, 800,900, and…

A: The objective is to find the number of possible area codes. Also, need to make sure to avoid 411,…

Q: The password for a new online gaming site must contain three letters followed by four digits. The…

A: Given that there are 3 letters in the password and the letters can not repeat. There are 26 letters…

Q: Find the l.c.m of 10,12 and 20

A: Given numbers are 10, 12 and 20. We have to find the l.c.m of 10, 12 and 20. 21012202561035355515111

Q: A four-digit house number contains no zeros. The number has exactly three distinct digits. How many…

A: It is given that a four digit house number has no digits. The number has exactly 3 distinct digits.…

Q: Zip codes are assigned by region. In Colorado, all zip codes begin with the number 7 while the…

A: Zip codes consists of a 5-digit number. 7 1-5 The Zip code of Colorado start with 7.so…

Q: Find mZC. A B O 119 O 180 O 61 O 71 119% D

A: angle (D) = 119 ABCD is a parallelogram so we use properties of parallelogram

Q: Is that letter n or x?

A: Solution

Q: A website requires you to choose a username that contains 4 letters followed by 3 digits. How many…

Q: iPhones have a 6-digit PIN number, how many different PIN numbers are possible?

A: Choices of filling 6 places are 10 I.e.. 0,1,2,3,4,5,6,7,8,9

Q: Take a certain number, multiply it by 5, subtract 6 from that answer, then divide that answer by 2,…

A: Take a certain number, multiply it by 5, subtract 6 from that answer, then divide that answer by 2,…

Q: To keep computer files secure, you create a six character password. Characters can be letters or…

A: There are total 26 letters (A-Z) And 10 digits (0-9) So total (26+10)=36 choices for each character.…

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}.

Q: How many dozen doughnuts must be ordered for a meeting if 156 people are expected to attend, and…

A: To determine how many dozen doughnuts must be ordered for a meeting if156 people are expected to…

Q: Outside a home, there is an 8-key keypad numbered 1 through 8. The correct five-digit code will open…

A: There are totally 8-key keypad numbers. The correct five-digit code will open the garage door. The…

Q: A credit company allocates eight digit account number such as 1122-3421 where are the digits 1…

A: A credit company allocates eight digit account number such as 1122-3421 where are the digits 1…

Q: Suppose that a local area network requires six letters for user names Lower- and uppercase letters…

A: Local arear require six letter for user name & Lower and upper case letters are considered the…

Q: The email address password of Engr. Moncada consists of a letter of the English alphabet followed by…

A: As there are 26 letters in alphabet (A-Z) and 10 numbers (0-9). So for password having a letter and…

Q: The access code to a house's security system consists of seven digits. How many different codes are…

A: Given that the access code to a house's security system consists of seven digits.

Q: If 94 is recorded using stem-and-leaf display. The number 9 is the?

A: Given that, the number 94 is recorded using stem-and-leaf display That is,

Q: Evaluate f2Tof 1 0 rdrde

A: The given integral is: I=∫02π∫01rdrdθ As we know the Power Rule: ∫xndx=xn+1n+1+C ; n≠-1 And…

Q: Some states have a single area code for the entire state. Two such states have area codes where one…

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

Q: Arealtor uses a lock box to store the keys to a house that is for sale. The access code for the lock…

A: The access code contains 4 digits Digits : 0,1,2,3,4,5,6,7,8,9 The first digit can…

Q: access code for the entrance of a faculty office consists of five digits. Each digit can be 0…

Q: The Reverend minister of a church always insist that every member shake hands with every other…

A: Given: Number of person is, n=90. Number of times required handshake is 1 time. The objective is…

Q: It is a unique 13-digit number assigned to a book to identify its title, edition, publisher and…

A: We have to find

Q: A bank requires that its customers create a PIN to access their account. The PIN must be 2 letters…

A: There are 26 ways in which each letter can be selected i.e. 26×26=676 ways that first two letters…

Q: If a plumber and a helper can install a water heater and a half in a half day, then how many water…

A: According to the given information it is required to find the number of water heaters that 20…

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

Q: A license plate is to have the following form: three letters followed by three numbers. An example…

A: There are 26 letters (A-Z) and 10 numbers (0-9) We can pick each letter in 26 ways and we can pick…

Q: A state makes license plates with two letters followed by four numbers. if no repetitions of the…

A: The license plates must consist of two letters followed by four numbers.

Q: How many possible area codes are there in the United States? (Be sure to remove 411, 800,900, and…

Q: Jamal is creating a 5 digit passcode using the digits 0 through 9. How many 5 digit passcodes are…

Q: Ahmed must choose a seven-digit PIN number and each digit can be chosen from 0 to 9. How many…

A: We have to find no. of possible pins.

Question

A telephone company can issue telephone numbers consisting of a 5-digit area code and
a 10-digit calling number. The 5-digit number must commence with an 0, and must
contain no repeated digits. The 10-digit number must commence with a non-zero digit,
and may contain repeated digits. How many distinct telephone numbers can be issued
by the company? You must justify your answer.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

Why is it 27216 rather than 3024? and 109 instead of 9,000,000,000?

Solution

by Bartleby Expert

SEE SOLUTION

Similar questions

The digits 1, 2, 3 and 4 can be arranged to form different four-digit codes.a. Find the number of different four-digit codes that can be formed.b. How many of these four-digit numbers are greater than 2000?
If ZACD= 36, what is mABD? A
A computer byte consists of eight bits, each bit being either a 0 or a 1. Assume that characters are represented using a code that uses a byte for each character. Some written languages, such as Chinese and Japanese, use tens of thousands of different characters. If a language uses roughly 51,000 characters, a computer code for this language would have to use how many bytes per character?
The number of digits in the CVC was changed from 3 digits to 4 digits. Determine the increase in number ofpossible CVCs .
A license plate consists of a letter, followed by two numbers, followed by two more letters. Due to possible confusion, the letters I and O are not used. Repetition is not allowed. How many different license plates are possible?
The number of unique arrangements of all the letters in the word CONDOMINIUM is: 39 916 800 19 958 400 2 494 800 990
Apollo Spas services 216 hot tubs. If each hot tub needs 125 mL of muriatic acid, how many liters of acid are needed for all of the hot tubs? Enter an integer or decimal number [more..] Submit Question
A computer byte consists of eight bits, each bit being either a 0 or a 1. Assume that characters are represented using a code that uses a byte for each character. Some written languages, such as Chinese and Japanese, use tens of thousands of different characters. If a language uses roughly 69,000 characters, a computer code for this language would have to use how many bytes per character?
Zip codes are assigned by region. In California, all zip codes begin with the number 9 while the seconddigit is restricted to numbers 0-6. The third digit is restricted to numbers 1-8 There is no restrictions onthe remaining digits. How many zip code combos are there.
A certain state previously had license plates containing two letters followed by four digits but now has plates with three letters followed by three digits. How many more plates are now available?