14 2.55 points 1 Previous Answers Notes Ase Your 16 1.3 WA 010 (a) A person\'s b

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14 2.55 points 1 Previous Answers Notes Ase Your 16 1.3 WA 010 (a) A person's blood pressure is measured to be 122 ± 5 mm Hg, what is its percent uncertainty? (Note that percent uncertante should be reported to tgnnar figures.) 2) 4.1 (b) Assuming the same percent uncertainty, what is the uncertainty in a blood pressure measurement of 80 mm Hg? (Note that uncertainties should be reported to one significant figure.) 70e1 Review the definition of percent uncertainty. mm Hg Additional Materials Reading

Explanation / Answer

Percent uncertainty is 4.1% or 0.041

(b) Therefore, for 80 mm Hg

uncertainty = 80*0.041 = 3.28

so,

uncertainty = 3.28 mm or 3.3 mm

In one significant figure, it would be 3 mmHg

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