A refrigerator is purchased and each year its value is only 80% of the value of the preceding year. Its value, in dollars, t years after purchase is given by the function V(t)=1000(0.8)^t
What was the original purchase price of the refrigerator?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?