Acomputer purchased for $1,650 loses 19% of its value every year.
the computer's value can be modeled by the function v(t)=a⋅b^t, where v is the dollar value and t the number of years since purchase.
(a) in the exponential model a= and b= .
(b) in how many years will the computer be worth half its original value? round answer to 1 decimal place.
the answer years