The half-life of insecticide DDT is 32 years. If a farmer uses 20 gm then how much will still be active after 16 years? 16 A = 20(-2) gm -16 A = 20(3) 32 gm 16 A = 20(-3) gm None of these -16 A = 20(2) 32 gm
The half-life of insecticide DDT is 32 years. If a farmer uses 20 gm then how much will still be active after 16 years? 16 A = 20(-2) gm -16 A = 20(3) 32 gm 16 A = 20(-3) gm None of these -16 A = 20(2) 32 gm
Chapter5: Exponential And Logarithmic Functions
Section5.4: Exponential And Logarithmic Equations
Problem 83E: The number N of beavers in a given area after x years can be approximated by N=5.5100.23x,0x10. Use...
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Transcribed Image Text:The half-life of insecticide DDT is 32 years. If a
farmer uses 20 gm then how much will still be
active after 16 years?
16
A = 20(-2) gm
-16
A = 20(3)
32 gm
16
A= 20(-3)
32 gm
None of these
-16
A = 20(2) * gm
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