1). Ben will toss a penny, a nickel, and a dime. The tree diagram shows the possible outcomes.
H
H
T
H
H
T
T
H
H
T
т
H
T
How many different outcomes are possible?

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?