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Achieve Your Highest Grade
Significant Figures Explained
You should always choose an appropriate number of significant figures to display your answers to your calculations:
The number of significant figures in your answer should be the same as the least amount of significant figures in the data in the question
Leading zeros do not add to the significance of the number
Significant Figures: Example A
This worked example shows how to write an appropriate answer to a question.
Significant Figures: Example B
This example shows how to choose an appropriate number of significant figures for an answer.
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