You have a 5-question multiple-choice test. each question has four choices. you don’t know any of the answers. what is the experimental probability that you will guess exactly three out of five questions correctly?

Match each function with its rate of growth or decay

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?

15 liters is approximately how many gallons