Question detail
What is the decimal representation of 75% efficiency?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Conservation and dissipation of energy
Question
- A. 0.75
- B. 0.85
- C. 0.65
- D. 0.95
Answer
0.75
Explanation
To convert a percentage to a decimal, divide by 100. Therefore, 75% becomes 75/100 = 0.75.
Common mistake
Confusing Efficiency Representation
Students often express efficiency as a fraction instead of a decimal.
To express efficiency as a decimal, divide the useful energy output by the total energy input and ensure the result is in decimal form.
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