Write the following in terms of i and simplify. V- 25 81
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![## Exercise Example: Simplifying with Imaginary Numbers
### Example 3:
**KAUFIALG10 6.1.031**
Consider the following example:
\[
\sqrt{-20} = i\sqrt{20} = i\sqrt{4}\sqrt{5} = 2i\sqrt{5}
\]
**Task:** Write the following in terms of \( i \) and simplify.
\[
\sqrt{\frac{25}{81}}
\]
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### Example 4:
**KAUFIALG10 6.1.033**
Consider the following example:
\[
\sqrt{-20} = i\sqrt{20} = i\sqrt{4}\sqrt{5} = 2i\sqrt{5}
\]
**Task:** Write the following in terms of \( i \) and simplify.
\[
\sqrt{-20}
\]
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### Instructions:
For both examples, follow the steps outlined in the provided example to express the given square roots in terms of the imaginary unit \( i \). Remember, \( i = \sqrt{-1} \), so you will need to separate negative numbers from the square roots.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fffbe64f0-b065-4807-89fb-7c508940d27b%2Ff350b01b-3aee-4eba-9d30-77dc331ddcc8%2Frc3f2jq.jpeg&w=3840&q=75)
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