HELP
The decay of 923 mg of an isotope described by the function A(t)= 923e^-0.027t, where t is time in years. Find the amount left after 76 years. Round your answer to the nearest mg. Show all of your work for full credit.

Question

HELP
The decay of 923 mg of an isotope described by the function A(t)= 923e^-0.027t, where t is time in years. Find the amount left after 76 years. Round your answer to the nearest mg. Show all of your work for full credit.

anonymous · Answer

@PRAETORIAN.10

kc_kennylau · Answer

Well, substitute t=76 to the function :)

jim_thompson5910 · Answer

be careful to type the parenthesis in as well

you need to type in 923*e^(-0.027*76)

take note as to how t was replaced with 76 and how I have the parenthesis set up