Somebody please help. And be fr cause I’ll give that brainilest or whatever it’s called but please be the right answer.

How do i get the answer for 2/3 * 10/3

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?

Write the equation of the circle centered at (10,-2) with radius 2