How many different 7-digit phone numbers can you make using the integers 0 thru 9? Assume all numbers can be repeated and used in any position and that order matters. Question options:
1,240,000
604,800
120
7,970,000,000
How many different 7-digit phone numbers can you make using the integers 0 thru 9? Assume...
How many different 7-digit phone numbers can you make using the integers 0 thru 9? Assume all numbers can be repeated and used in any position and that order matters.
19) A) How many different area code 909 telephone numbers are possible? Assume that the first digit of any phone number cannot be 0 or 1. )
Consider the number 35964 How many 3 digit numbers can be formed using digits from 35964 if no digits may be repeated? What is the sum on all of those 3 digit numbers?
please I wanted answered step by step 9) How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed? A) 256 four-digit numbers B) 8999 four-digit numbers C) 10,000 four-digit numbers D) 9000 four-digit numbers 10) If $4100 earned simple interest of $233.02 in 11 months what was the simple interest rate? A) 7.2% B) 6.2% C) 8.2% D) 5.2% 11) How long will it...
How many different 4-digit numbers can be made from the set of 8 numbers {1, 2, 3, 4, 5, 6, 7, 8} if: The resulting number must be an odd number and repeats are NOT allowed.
How many three-digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, 6, and 7 if each digit can be used only once, how many are greater than 330
How many different 3 digit numbers less than 500 can be made using the digits 3, 4, 5, and 6 if the digits can be used only once
Problem 3.1 If each of the 10 digits 0-9 is chosen at random, how many ways can you choose the following numbers? (a) A two-digit code number, repeated digits permitted. (b) A three-digit identification card number, for which the first digit cannot be a 0. Repeated digits permitted. (c) A four-digit bicycle lock number, where no digit can be used twice (d) A five-digit zip code number, with the first digit not zero. Repeated digits permitted.
1. (a) (i) How many different six-digit natural numbers may be formed from the digits 2, 3, 4, 5, 7 and 9 if digits may not be repeated? (ii) How many of the numbers so formed are even? (iii) How many of the numbers formed are divisible by 3? (iv) How many of the numbers formed are less than 700,000? (b) JACK MURPHY’s seven character password consists of four let- ters chosen from the ten letters in his name (all...
Please do question 19 and 27. Please show all work 19) A) How many different area code 909 telephone numbers are possible? Assume that the first digit of any phone number cannot be 0 or 1. ) B) Suppose a computer requires eight characters for a password. The first three characters must be letters and the remaining five characters must be numbers. How many passwords are possible? 27) In how many ways can 8 people be arranged for a photograph...