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Back to 5.7 Simplify and Use Square Roots

5.7 Exercise 79

Avg difficulty 2.5

Solve. Round to one decimal place.

Gravity A construction worker dropped a hammer while building the Grand Canyon skywalk, 4,0004,000 feet above the Colorado River. How many seconds did it take for the hammer to reach the river?

OpenStax Prealgebra 2e, 5.7 Simplify and Use Square Roots, exercise 79

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Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.