Octal numbers are made using the eight digits 0,1,2,3,4,5,6,7. How many octal numbers are 4 digits long and where the first digit must be from 1 to 7? How many 4-digit long octal numbers begin with 2 or 3? Digits can repeat. How many octal numbers are 4 digits long with no repeating digits, where the first digit must be from 1? How many octal numbers are 4 digits long and end in 6, and where the first digit must be from 3 to 5?

Q: How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetition of digits…

A: In this question, concept of combination is applied. Combination A combination is a mathematical…

Q: How many second are there in a year

A: Solution: We know that, number of days in a year = 365 Number of hours in a day = 24 1 hour = 60…

Q: 2. In how many numbers with seven distinct digits do only the digits 1-9 appear?

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Q: How many different three digit numbers can be formed using the digits 9,6,7,8,5 and 4 with…

A: Given digits, 9, 6,7,8,5 and 4 Total numbers of given digits = 6

Q: How many different two-digit numbers can you form using the digits 3, 8, 7, 4, 1, and 5 without…

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Q: How many ways to arrange 5 books on the shelf exist if two definite books are not placed together.

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Q: How many 3-digit numbers can be formed from the digits 2, 3, 4, 6, 7 without repetitions? b. How…

A: The 3-digit numbers that can be formed from the digits 2, 3, 4, 6, 7 without repetitions are: 234,…

Q: how many different 4 letter ratio station call letters can be made if repeats are allowed and the…

A: Given: The number of choices n=26 The number chosen at a time r=4

Q: How many 7 digit numbers can be formed using the numbers 0-9 if the first and 5th digit can only be…

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Q: From the digits 4,3,6,1,5 and 7. How many 4 digit numbers can be made w/o repetition that are more…

A: The number of permutations of n objects taken r at a time is determined by the following formula:…

Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit…

A: Given,digits is 0,1,2,3,5,7,8,9

Q: How many 4 digit numbers can be formed using only the numbers 3 2 7 6 0 4 9 if the number is odd and…

A: numbers: {3,2,7,6,0,4,9} make 4 digit numbers  no repeatation odd numbers: last digit must be odd.…

Q: How many ways to arrange 7 books on the shelf exist if two definite books are not placed together?

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Q: How many 5 digit numbers can be formed without repeating any digit, from the following digits 3, 4,…

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Q: How many different 3-digit numbers are possible using only the digits 2,3,5,6 ?

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Q: How many different 5-digit odd numbers can be formed from 0, 1, 3, 4, 5, 7, and 9 if repetitions are…

A: Given:Total number of digits = 7 (0, 1, 3, 4, 5, 7, and 9 ) The divisibility rule for 5:The number…

Q: How many 4 letter words can be created using the letters in the word COMPLICATED?

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: From the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, if five-digit numbers are to be formed and…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any one question We have given…

Q: How many different three-digit numbers can be formed using the digits 1, 5, 9, 7, 4, 8, and 6…

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

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Q: How many different three digit numbers can be formed using the digits 8,1,5, and 7 with repetition ?…

A: To determine: The different three digit numbers can be formed using the digits 8, 1, 5, and 7 with…

Q: how many 4 digit numbers can be formed from 3 2 7 6 0 4 9 if the number is greater then 4000 and…

A: Given digits is3,2,7,6,0,4,9Total no.of digits = 7

Q: how many 3-digit number we can form using 10 digits (0,1,2,3.......,8) if no repetition is allowed

A: The first digit have 9 choices (digits 1 -9) as zero cannot be the first digit.There will be 9…

Q: How many numbers can be made each using all the numerals in the set S = {1,2,2,3, 3, 3, 0}

A: According to the provided information, The set are S= {1, 2, 2, 3, 3, 3, 0}

Q: Without using a calculator, test for 60,330 for divisibility by 2, 3, 4, 5, 6, 8, 9, 10, and 11 Is…

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