96 020 meters converted into kilometers?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?