For each of these initial seven digits of an ISSN, determine the check digit (which may be the letter X). a) 1570-868 b) 1553-734 c) 1089-708 d) 1383-811

Q: A password contains eight digits, such as 17466780. How many different passwords be formed?

A: Here  Password contains 8 digits

Q: A seven-character insurance account number must be four lowercase letters of the alphabet followed…

A: The number of lowercase letters in the alphabet is 26.

Q: What is a coterminal to 50°

A:

Q: 10. Show that if ACB, then rank(A) € rank (B).

A: Please find the answer in next step

Q: A password contains eight digits, such as 17466780. How many different passwords can be formed?

A: no.of digits(0 to 9)=10

Q: Assuming that any arrangement of letters forms a 'word', how many 'words' of any length can be…

A: There are 11 letters in the word “Mississippi”.

Q: each character in a password is either a digit(0-9) or lowercase letter (a-z). how many valid…

A: There is total 10 digits, such that 0, 1, 3, …., 9 and there is total 26 lowercase letters, such…

Q: Find a base for the Standord tapology-

A: This is a question of topology.

Q: 5. Compute 1216 X F1316.

A: Note-Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: list the numbers (in base 10) that are in the set F(2, 2, −2, 2).

A: Here we need to list the numbers (in base 10) that are in the set F2, 2, -2, 2. Base 10 numbers: In…

Q: Evaluate: de (1-a)

A:

Q: The set of numbers whose decimal representations are neither terminating nor repeating is called the…

A:

Q: The class mark of the class 90- 120 is

A:

Q: A computer password must be 3 letters followed by 4 digits or 5 digits (0 through 9). How many…

A: Introduction: As the English alphabet has 26 letters from A to Z, it is possible to choose each…

Q: An island is considering adding another character to their vehicle license plates in order to…

A:

Q: The place value of the digit 9 in 52937.3 is 1 100 1000 10

A: Given number is 52937.3 The place value of 9 is 100 because 9 is in 3rd place from the left.

Q: Determine in what base(s) 31subscript a= 25subscript b in form: a,b

A: 31a=25b

Q: 10. A bank password consists of four letters of the Roman characters (small and capital letters)…

A: SOLUTION:

Q: If 8 decimal digits only are allowed, then the chopped representation of the number 0.123456789 is…

A: Here the number is given as 0.123456789 We need till 8 decimal places If the 9th decimal place is…

Q: If every telephone in the world is assigned a number that contains a country code 1 to 3 digits…

A: The telephone number has a country code first, followed by 12 digit telephone number of the form…

Q: A social security number contains nine digits, such as 010-34-3709. How many different social…

A:

Q: Prove that the method for using Fibonacci numbers to generate Pythagorean triples will always work

A: We need to add the previous two numbers starting from 0 to get the next term of the sequence every…

Q: Assuming that there will never be more than 500 million people in the United States before the year…

A:

Q: Convert both numbers from their octal forms into decimal forms, show working out. 62628 37622628

A: to convert octal to decimal proceed as follows 6262=6×83+6×82+6×81+6×80=3072+128+48+6=3250…

Q: How many odd integers from 1,000 through 9,999 have distinct digits?

A: From 1000 to 9999 , all are 4 digited integers.  If the integer is odd then the last digit can occur…

Q: Compute the following in base five 2325+1435= type your answer..

A: First we convert base 5 given number into decimal value, then add both the number, then change their…

Q: How many different initials can someone have if a per son has at least two, but no more than five,…

A:

Q: Compute P5,4. (Enter an exact number.)

A: Obtain the value of P5,4.  The value of P5,4 is obtained below:   Permutation: A permutation is an…

Q: gits 0-9, the last four must be letters, and repeated characters are allowe

A: Given: Number of letters = 26 Number of digits 0-9 = 10

Q: A company assigns to each of its employees an ID code that consists of one or two uppercase letters…

A: Here I am attaching image so that you understand each and every step.

Q: 2.) Find the check digit (d) for the UPC numbers 0-32692-03012 d

A: 2. The given UPC number is 0-32692-03012-d. We use the first 11 digits 0-32692-03012 to determine…

Q: Identify the place value of digit 9 in each given number. 1. 109 235 2. 2 904.178 3 34 698.25

A: Place value of a digit = (face value of the digit)×(value of the place)   1) Place value of 9 in…

Q: How many hexadecimal numbers from 1 through FFFF do not have any repeated digits?

A:

Q: If 8 decimal digits only are allowed, then the rounded representation of the number 0.123456789 is…

A: The given number is 0.123456789 We need to have 8 decimal digits If the 9th decimal digit is less…

Q: The binary form of the decimal 37 is

A: Decimal to binary conversion can be performed by using the division rule

Q: Suppose that in a certain state, all automobile license plates have three uppercase letters followed…

A:

Q: Would it be better to create a 4-digit PIN from the standard 10 digits (0 to 9) for the home…

A: If each digit is unique then the first digit can be picked in 10 ways, second in 9 ways, third in 8…

Q: 26 If 91 iaるみ 78435167, find 7.

A: 9 divides 123x78425167 if the sum of digits of 123x78425167 is divisible by 9.

Q: In AABC, if mzCAD = 29°, what is mzCAB?

A: From the given triangle, it is observed that ∠CAD is equal to the ∠BAD.

Q: How many 6-character license plates are possible if the first three characters must be an uppercase…

A: Given that the 6 character license plates are possible. first three characters are selected from…

Q: In hexadecimal (base 16) there are 16 distinct digits that can be used to form numbers:…

A:

Q: How many people are needed to guarantee that at least two were born on the same day of the week and…

A: There are 7 days in a week and 12 months in a year.

Q: 31. b. ii. Detemine the four-digits numbers, with distinct digits, which is livisible by 5, that can…

A:

Q: Evaluate the ihteg ral 3. 4+

A:

Q: Each user on a computer system has a password, which is seven to nine aracters long, where each…

A: Given: Number of characters in a password = 7, 8, 9 n(letters) = 26 n(digits) = 10 n(total) = 36…

Q: How many strings of four different hexadecimal digits are there?

A:

Q: A bank password consists of SIX (6) letters of the Roman characters (small and capital letters)…

A: We need to determine the number of different passwords possible using the letters of Roman…

Q: $550.45(1 + 0.0875 × 195/365) − $376.29 / (1 + 0.0875 × 99/365)

A:

Q: Give 5 early mathematicians and their works which they contributed in the development of the study…

A: Topic- geometry

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.