A scientist has a sample of the radioactive isotope bismuth-212. The Isotope decays exponentially as shown in the table.

Which of the following is the result of expanding

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265