PLEASE HELP ME!!
Element X is a radioactive isotope such that every 90 years, its mass decreas...
Mathematics, 22.05.2020 05:07 cyynntthhiiaa4
PLEASE HELP ME!!
Element X is a radioactive isotope such that every 90 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 30 grams, how much of the element would remain after 12 years, to the nearest whole number
Answers: 1
Mathematics, 21.06.2019 18:00
A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees
Answers: 2
Mathematics, 21.06.2019 21:40
If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units
Answers: 2
Mathematics, 21.06.2019 22:10
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
Answers: 3
Mathematics, 29.07.2019 21:20
Mathematics, 29.07.2019 21:20
Biology, 29.07.2019 21:20
Mathematics, 29.07.2019 21:20
Chemistry, 29.07.2019 21:20
Mathematics, 29.07.2019 21:20
Mathematics, 29.07.2019 21:20
Mathematics, 29.07.2019 21:20