Problem: How many significant figures are in each number?7 pennies

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The absence of a unit indicates that this value is an exact number. 

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Problem Details

How many significant figures are in each number?

7 pennies

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Significant Figures concept. You can view video lessons to learn Significant Figures. Or if you need more Significant Figures practice, you can also practice Significant Figures practice problems.