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Questions and Answers
Which of the following best defines a polygon?
Which of the following best defines a polygon?
- A figure made up of open lines that can extend indefinitely.
- Any shape that can be enclosed within a circle.
- A figure with curved edges and at least three vertices.
- A closed figure with at least three straight sides. (correct)
What is the result of adding $2.5 + 3.6$?
What is the result of adding $2.5 + 3.6$?
- 6.0
- 5.0
- 5.1
- 6.2 (correct)
When subtracting two fractions, $ rac{3}{4} - rac{1}{2}$, what is the correct approach?
When subtracting two fractions, $ rac{3}{4} - rac{1}{2}$, what is the correct approach?
- Convert both fractions to decimals before subtracting.
- Add the fractions instead of subtracting them.
- Find a common denominator and then perform the subtraction. (correct)
- Subtract the numerators directly and keep the denominator the same.
What is the product of $0.75$ and $0.4$?
What is the product of $0.75$ and $0.4$?
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Which operation is required to convert a fraction to a percentage?
Which operation is required to convert a fraction to a percentage?
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