Write the probability that the numbers 263 will be the first three digits of a code number

In the diagram of circle a what is m

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 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?