A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e−0.053t, where m(t) is measured in grams. After how many days is there only 3 g remaining? (Round your answer to the nearest whole number.) days
A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e−0.053t, where m(t) is measured in grams. After how many days is there only 3 g remaining? (Round your answer to the nearest whole number.) days
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Question
A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by
m(t) = 15e−0.053t,
where
m(t)
is measured in grams. After how many days is there only 3 g remaining? (Round your answer to the nearest whole number.)
days
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