Question detail

How would you express an efficiency of 0.25 as a percentage?

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

25%

To convert a decimal to a percentage, multiply by 100. Therefore, 0.25 × 100 = 25%.

Confusing Efficiency Formats

Students often confuse decimal and percentage formats for efficiency, mistakenly stating a decimal value as a percentage.

To fix this, remember to multiply the decimal efficiency by 100 to convert it to a percentage.

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