In this problem, we are asked to **determine whether the given is an exact number, and therefore have an unlimited number of significant figures**.

Recall that **Exact numbers are either defined numbers or the result of a count**.

Which of the following numbers are exact numbers and therefore have an unlimited number of significant figures?

1 gross = 144 pcs

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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.