What is the reciprocal of 20?
Understand the Problem
The question is asking for the reciprocal of the number 20. The reciprocal of a number is defined as 1 divided by that number.
Answer
The reciprocal of 20 is $\frac{1}{20}$ or 0.05.
Answer for screen readers
The reciprocal of 20 is $\frac{1}{20}$ or 0.05.
Steps to Solve
- Identify the reciprocal formula
The reciprocal of a number $x$ is defined as $\frac{1}{x}$. So, for this question, we are looking for the reciprocal of 20.
- Substitute the number into the formula
Now, we can substitute 20 into the reciprocal formula: $$ \text{Reciprocal of 20} = \frac{1}{20} $$
- Calculate the value
To find the numerical value, we can perform the division, which gives us: $$ \frac{1}{20} = 0.05 $$
The reciprocal of 20 is $\frac{1}{20}$ or 0.05.
More Information
The reciprocal of a number is an important concept in mathematics, particularly in operations involving fractions and division. It is used in various applications, including solving equations and simplifying expressions.
Tips
- A common mistake is confusing the concept of reciprocal with the concept of negative or opposite number. Remember, the reciprocal is specifically related to division, not adding a negative sign.
