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Back to 1.3 Accuracy, Precision, and Significant Figures

1.3 Exercise 16

Avg difficulty 2.5

Express your answers to problems in this section to the correct number of significant figures and proper units.

A person measures their heart rate by counting the number of beats in 30s\text{30} \text{s}. If 40±1\text{40} \pm 1 beats are counted in 30.0±0.5s\text{30} . 0 \pm 0 . 5 \text{s}, what is the heart rate and its uncertainty in beats per minute?

OpenStax College Physics 2e, 1.3 Accuracy, Precision, and Significant Figures, exercise 16

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.