600 g of a substance decays exponentially. After 3 days, only 450 g left. The amount left after 9 days is A) 150 g B) 300 g 7 275.6 g D 253.125 g (E) None of these

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.5: Exponential And Logarithmic Models
Problem 2ECP
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600 g of a substance decays exponentially. After 3 days,
only 450 g left. The amount left after 9 days is
A) 150 g
B) 300 g
7
C275.6 g
(D) 253.125 g
E) None of these
Transcribed Image Text:600 g of a substance decays exponentially. After 3 days, only 450 g left. The amount left after 9 days is A) 150 g B) 300 g 7 C275.6 g (D) 253.125 g E) None of these
The number of grey birds is 6000 and grows at 6% annually. Black birds are 8000 growing at 4% annually.
How many years the two popolation to become equal
B
D
15.10 years
10.10 years
19.10 years
27.10 years
8
Transcribed Image Text:The number of grey birds is 6000 and grows at 6% annually. Black birds are 8000 growing at 4% annually. How many years the two popolation to become equal B D 15.10 years 10.10 years 19.10 years 27.10 years 8
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