Lemma
MediumExponentials & logarithms
OpenStax, Algebra and Trigonometry 2e §6.6 Exponential and Logarithmic Equations · Exercise 81 · Algebra · Exponentials & logarithms

Exponential and Logarithmic Equations · Exercise 81

Use a calculator to solve the equation. Unless indicated otherwise, round all answers to the nearest ten-thousandth.

Atmospheric pressure in pounds per square inch is represented by the formula where is the number of miles above sea level. To the nearest foot, how high is the peak of a mountain with an atmospheric pressure of pounds per square inch? (Hint: there are 5280 feet in a mile)

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §6.6 Exponential and Logarithmic Equations · Exercise 81

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.