A student is analyzing an unknown for $\%$NaCl in a mixture. They report their experimental value as $5\mathrm{.}25\%.$ The actua value is $5\mathrm{.}90\%.$ Calculate the percent error. $()$

A tumor found on the thyroid of a $55yr.$ old male is $0\mathrm{.}94cm$ in diameter. Use dimensional analysis to convert the tumor measurement to nanometers. Does the unit conversion process change the number of significant figures or the degree of uncertainty in the measurement? Explain.

Find another group who has finished this workshop and compare answers. Write the name of the students below. If you have any questions or disagreements about an answer.