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Constants

Periodic Table

Part A

To determine an athlete's body fat, she is weighed first in air and then again while she's completely underwater. It is found that she weighs $690$ N when weighed in air and $44\mathrm{.}0$ N when weighed underwater. What is her average density?

Express your answer to four significant figures and include the appropriate units.

${}_{\text{a}\text{v}\text{g}}=$

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Units input for part A

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