The concentration C(t) of a certain drug in the bloodstream after t minutes is given by the formula C(t)=0.08(1−e−0.1t). What is the concentration after 10 minutes? Round to three decimal places.

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: