Radon-222 decays at a continuous rate of 17.3% per day. Suppose a scientist begins with a sample of 290 mg of Radon:222.
How much will remain in 14 days? Round answer to 5 decimal places.
mg

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a.ab=bc b.bc=xy c.ab=wx d.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?