Erosion gradually reduces the size of a small Pacific island that has a current area of just 320 acres. If the island’s area decreases at an annual rate of 0.05%. Find the multiplier for the rate of exponential decay.

Question

anonymous · Answer

look at what they have given too you and solve for the decay constant

anonymous · Answer

I dont know how to do that, which is why I posted the question

anonymous · Answer

Uhm....

anonymous · Answer

Im not going to solve it for you but here is the gist of it

 A = C e^(-kt) , 

where A = the area after t years.
C = Current area
when t = 1 yr

anonymous · Answer

does that make sense? you want to solve for the only unknown

dan815 · Answer

i solved for wrong percent

dan815 · Answer

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