(a) How many passwords can you make with 8 characters using Uppercase, Lowercase, digits using at...

(a) How many passwords can you make with 8 characters using Uppercase, Lowercase,
digits using at least one Uppercase, at least one Lowercase and at least one digit?
(b) How many numbers between 1 and 1,000,000 (inclusive) are divisible by at least one of
3,4 and 5?
(c) How many numbers between 1 and 1,000,000 (inclusive) are divisible by at least one of
12, 14, 15?

Expert Solution

Colby Messinger answered 2 years ago

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Password consists of five characters: one lowercase letter and four digits 0 – 9. How many...

Password consists of five characters: one lowercase letter and four digits 0 – 9. How many possible combinations for the password are there if digits can be repeated? How many possible combinations for the password are there if digits can not be repeated? What is a percentage of passwords with repeated digits?

6. Passwords are composed from lower- and uppercase letters of the English alphabet,digits and 34 special...

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a. How many 3-digit numbers can you make using the digits from the set of (3,...

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5. Using only the digits of 1, 4, 5, 8, (a) How many three digit numbers...

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