Solution Found!
Express your answers to problems in this
Chapter 20, Problem 20PE(choose chapter or problem)
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 ?
Questions & Answers
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