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A medicine is applied to a burn on a patient's arm. The area of the burn in square centimeters
decreases exponentially and is shown in the graph.
a.
b.
C.
What fraction of the burn area remains
each week?
Write an equation representing the area
of the burn, a, after t weeks.
What is the area of the burn after 7
weeks? Round to three decimal places.
area in square centimeters
9896S & MNT
time in
●
●
4 5 6
12
3
time in weeks