A medication has a half-life of 4 hours after it enters the bloodstream. A nurse administers a dose of 225 milligrams to a patient at noon. 1. Write an expression to represent the amount of medication, in milligrams, in the patient's body at: a. 1 p.m. on the same day b. 7 p.m. on the same day 2. The expression 225 · (G) 2 represents the amount of medicine in the body some time after it is administered. What is that time?
A medication has a half-life of 4 hours after it enters the bloodstream. A nurse administers a dose of 225 milligrams to a patient at noon. 1. Write an expression to represent the amount of medication, in milligrams, in the patient's body at: a. 1 p.m. on the same day b. 7 p.m. on the same day 2. The expression 225 · (G) 2 represents the amount of medicine in the body some time after it is administered. What is that time?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter4: Factors, Fractions, And Exponents
Section4.6: Negative And Zero Exponents
Problem 15E
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