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Chapter 1: Problem 32

Perform the following operations with real numbers. $$ 0 \div(-11) $$

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Step by step solution

01

Understanding Division by a Negative Number

When you divide any number by a negative number, the result is simply the quotient of the division with a negative sign. However, when you start with zero and divide by any number, the process takes a unique turn.
02

Identify the Division Scenario

The problem is to calculate \(0 \div (-11)\). Here, zero is being divided by a negative number \(-11\). According to division rules, whenever zero is divided by any non-zero number, the result is always zero.
03

Perform the Calculation

To perform the division \(0 \div (-11)\), simply apply the rule that any number (in this case zero) divided by any non-zero number (in this case \(-11\)) is zero, because you cannot divide zero parts into any smaller sections.
04

Confirm the Result

Verify that the calculation follows the division rules: Zero divided by any non-zero number results in zero. Therefore, \(0 \div (-11) = 0\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Zero Division
Division involving zero may seem tricky at first, but it's simple with a clear understanding of the rules:
  • When you divide zero by any non-zero number, the result is always zero.
  • This is because dividing zero means you have nothing to distribute evenly among parts.
If you imagine having zero candies and a group of friends, it doesn't matter how many friends there are because there's still no candy to share. Hence, zero divided by anything results naturally in zero. On the contrary, if you attempt to divide by zero, it becomes undefined, as it suggests dividing something into zero groups, an impossible task. So, only zero beneath the division line breaks the rule.
Negative Numbers
Negative numbers in division follow straightforward rules similar to positive numbers, with just a sign difference. When dividing zero by a negative number, such as in the example \(0 \div (-11)\):
  • The negative sign indicates the opposite direction on the number line but has no effect on the outcome here since zero remains the focal point.
  • The main takeaway is that zero, whether divided by a positive or negative number, results in zero. The negative sign doesn't sneak into the quotient.
Understanding negative numbers helps simplify calculations, ensuring that zero remains unaffected by them during division.
Division Rules
Basic rules govern the division of real numbers to ensure accuracy:
  • Any non-zero number divided by itself equals one. For example, \(-11 \div -11 = 1\).
  • When zero is divided by any number, the answer is zero, as seen in \(0 \div (-11)\).
  • Dividing by zero is undefined, meaning it has no meaningful result in mathematics.
These rules guide us in operations involving real numbers, helping us move confidently through mathematical problems. They help us remember that division requires both numbers in play to make sense, especially avoiding division by zero at all costs.

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