polkatheneko360 polkatheneko360
  • 01-03-2021
  • Mathematics
contestada

how much of a radioactive kind of protactinium will be left after 28 hours if you start with 672 grams and the half-life is 7 hours?

Respuesta :

DWRead
DWRead DWRead
  • 01-03-2021

Answer:

Step-by-step explanation:

672·0.5^(28/7) = 672·0.5⁴ = 42 grams

Answer Link

Otras preguntas

SECOND TIME ASKING HELP!!! 6. Jackie has n nickels and q quarters in her pocket. The total value of the coins is at least $24.75. Write an inequality that repre
Something times 3=-180
HELP ASAP ELA POEM!!!!! I will give brainlist the the first person!!! Write your own poem imitating Mary Oliver poem called "the wild geese" by following this f
change -23/20 into a deciamal
y = -x + 3 2y + 2x = 4
What happened to Old Major? A. He died peacefully in his sleep. B .Mr. Jones sent him to a neighboring farm. C. Mr. Jones killed him for the meat. D. Mr. Jones
What is the slope of the line passing through the points (2,-5) and (4, 1)? A 5/4B 3 C 2 D -4/5​
If x is 4, a is 1/4, and y is 2, then what is 5x(56a-6y)
A bag contains the following marbles: 8 black marbles, 12 blue marbles, 18 brown marbles, and 6 green marbles. What is the ratio of brown marbles to blue marble
In 1860 the small towns became a city. true or false