Lexi1615
Lexi1615 Lexi1615
  • 22-04-2021
  • Biology
contestada

Question 9
After 60 days, 100g of a certain element has decayed to only 12.5g.
What is the half-life of this element?
A.) 20 days
B.) 30 days
с.) 8 days
D.)5 days

Respuesta :

badddysafia1 badddysafia1
  • 23-04-2021
30 days I think because I am not so sure
Answer Link

Otras preguntas

in states, cities, and townships, traffic courts are courts of limited
To what was Abraham Lincoln referring when he said,"a house divided against itself cannot stand?"
80% as a fraction in simplest form
In 1928, Joseph Stalin introduced the first Five Year Plan in the Soviet Union. Under the Five Year Plans, the government set specific goals for industrial and
what rights did women lack in the mid-1800s
what two main political groups existed in the colonies in the 1770s explain how each group got the name
Why had Lenin been imprisoned by the Russian government?
What was the Allied strategy for World War II? (5 points) Allies focus on defeating the Axis in Europe before focusing on the Pacific. Allies focus on defeating
what is a type of virus that specifically infects prokaryotes
What is personification???