Express your answers to problems in this

Chapter 20, Problem 20PE

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QUESTION:

Express your answers to problems in this section to the correct number of significant figures and proper units. (a) A person’s blood pressure is measured to be 120 ± 2 mm Hg . What is its percent uncertainty? (b) Assuming the same percent uncertainty, what is the uncertainty in a blood pressure measurement of 80 mm Hg ?

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QUESTION:

Express your answers to problems in this section to the correct number of significant figures and proper units. (a) A person’s blood pressure is measured to be 120 ± 2 mm Hg . What is its percent uncertainty? (b) Assuming the same percent uncertainty, what is the uncertainty in a blood pressure measurement of 80 mm Hg ?

ANSWER:

Solution 20PE: Step 1 of 4 (a) The formula to find the percent uncertainty is, p % uncertainty = p × 100 Here pis the uncertainty in blood pressure, is the pressure. Comment

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