Podcast
Questions and Answers
Given the expression $15 \div 4 * 2 % 3 + 1$, what is the result after applying the order of operations, assuming modulus has the same precedence as multiplication and division and operations are performed left to right?
Given the expression $15 \div 4 * 2 % 3 + 1$, what is the result after applying the order of operations, assuming modulus has the same precedence as multiplication and division and operations are performed left to right?
- 1
- 0
- 2 (correct)
- 3
Consider the expression $7 % 5 * 3 + 12 \div 4 - 1$. If the modulus operator (%) has the same precedence as multiplication and division, what is the final result of this expression when evaluated from left to right?
Consider the expression $7 % 5 * 3 + 12 \div 4 - 1$. If the modulus operator (%) has the same precedence as multiplication and division, what is the final result of this expression when evaluated from left to right?
- 7
- 6 (correct)
- 8
- 5
What is the value of the expression 25 % 7 * 3 - 18 / 6 + 5 % 2 assuming the modulus operator has equal precedence with multiplication and division, and operations are performed from left to right?
What is the value of the expression 25 % 7 * 3 - 18 / 6 + 5 % 2 assuming the modulus operator has equal precedence with multiplication and division, and operations are performed from left to right?
- 8 (correct)
- 6
- 7
- 5
In the expression $8 + 12 % 5 * 2 - 6 \div 3$, what would be the outcome if the entire expression is evaluated, considering modulus operation has the same precedence as multiplication and division?
In the expression $8 + 12 % 5 * 2 - 6 \div 3$, what would be the outcome if the entire expression is evaluated, considering modulus operation has the same precedence as multiplication and division?
Determine the outcome of the expression $20 \div 4 + 15 % 4 * 2 - 10$, assuming the modulus operator has the same precedence as multiplication and division.
Determine the outcome of the expression $20 \div 4 + 15 % 4 * 2 - 10$, assuming the modulus operator has the same precedence as multiplication and division.
What is the result of the expression 75 % 7, and how does this relate to division?
What is the result of the expression 75 % 7, and how does this relate to division?
Consider x = 12345. What will print(x % 1000) output, and why?
Consider x = 12345. What will print(x % 1000) output, and why?
If number % 2 evaluates to 1, what can be definitively concluded about the variable number?
If number % 2 evaluates to 1, what can be definitively concluded about the variable number?
Given that x = 7 and y = 2, what would x % y * x + y evaluate to, following order of operations?
Given that x = 7 and y = 2, what would x % y * x + y evaluate to, following order of operations?
How can the modulus operator be effectively utilized to cycle through a fixed set of indices (e.g., for array access) without exceeding the array bounds?
How can the modulus operator be effectively utilized to cycle through a fixed set of indices (e.g., for array access) without exceeding the array bounds?
In a scenario where you need to determine if a year is a leap year (divisible by 4, but not divisible by 100 unless also divisible by 400), which expression correctly determines if year is a leap year?
In a scenario where you need to determine if a year is a leap year (divisible by 4, but not divisible by 100 unless also divisible by 400), which expression correctly determines if year is a leap year?
What would be the result of print((-15) % 4) in Python, and how does this behavior differ from some other programming languages?
What would be the result of print((-15) % 4) in Python, and how does this behavior differ from some other programming languages?
You are given the task to distribute n identical candies among k children as fairly as possible. Using the modulus operator, how can you determine how many candies will be left over after the fairest possible distribution?
You are given the task to distribute n identical candies among k children as fairly as possible. Using the modulus operator, how can you determine how many candies will be left over after the fairest possible distribution?
Flashcards
What is the Modulus?
What is the Modulus?
The modulus operator (%) returns the remainder of a division.
10 % 2 = ?
10 % 2 = ?
10 % 2 = 0 (No remainder)
17 % 5 = ?
17 % 5 = ?
17 % 5 = 2 (Remainder of 2)
Order of Operations Acronym
Order of Operations Acronym
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Modulus Priority
Modulus Priority
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What is modulus?
What is modulus?
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10 % 3 equals what?
10 % 3 equals what?
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What is 29 % 5?
What is 29 % 5?
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How to check if a number is even or odd using modulus?
How to check if a number is even or odd using modulus?
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What is an even number % 2?
What is an even number % 2?
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What does a non-zero modulus mean?
What does a non-zero modulus mean?
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What does number % 100 do?
What does number % 100 do?
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What are the last two digits in 245 % 100?
What are the last two digits in 245 % 100?
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Study Notes
- The modulus (%) returns the remainder of a division operation
Basic Usage
10 % 3equals 1 because 10 divided by 3 is 3 with a remainder of 1- The code
fruits = 10 % 3followed byprint(fruits)will output 1 29 % 5equals 4 because 29 divided by 5 is 5 with a remainder of 4- The code
fruits = 29 % 5followed byprint(fruits)will output 4
Determining Even or Odd Numbers
- The modulus can determine if a number is even or odd
- Even numbers are divisible by 2 with no remainder, so
even_number % 2equals 0 - If
number % 2equals 0, the variable "number" is even - If
number % 2equals 1, the variable "number" is odd
Finding the Last Two Numbers
- The modulus can extract the last two digits of a number
number % 100returns the remainder when "number" is divided by 100- If
number = 245, thennumber % 100equals 45, which are the last two digits of 245
Practice Problems
10 % 2 = 017 % 5 = 24 % 4 = 0125 % 10 = 530 % 3 = 019 % 4 = 3156 % 100 = 56
Order of Operations
- The order of operations is Parentheses, Exponents, Multiplication/Modulus, Division, Addition, Subtraction
- Modulus operations have the same priority as multiplication and division
- In a program, modulus, division, and multiplication operations are performed from left to right based on their order of appearance
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Description
Learn how to use the modulus operator (%) in programming to find remainders. Explore applications such as determining even or odd numbers and extracting the last digits of a number. Includes examples and practice problems.
