Sunnkhueli5ceySz Sunnkhueli5ceySz
  • 03-11-2016
  • Chemistry
contestada

After three half-lives,what fraction of a radioactive sample remains.

Respuesta :

MartianManiac MartianManiac
  • 14-11-2016
after1 half life 50 percent
after another half life 50 percent of 50 percent which is 25 percent
after 3 half lifes 50 percent of 50 percent of 50 percent which is 50 percent of 25 which is 12.5 percent
12.5 percent is left
Answer Link

Otras preguntas

9 - (-10) x 2 - (5-2) / 3
An apple juice factory produced 6,425.51 gallons of apple juice in 4 days. How much apple juice, on average, did the factory produce each day? ​
What is the meaning of the quote "it's ok to not know. It's not ok to not try."
Please help me please find the answer ​
Which statement about why artists use sketchbooks is true? to record ideas of other artists to record things they see to use as a completed painting
Sublimation cannot be used to separate a mixture of salt and sand.Give reason.​
WILL GIVE BRAINLIST HELP ME ASAP The political significance of the Great Compromise and the Three-Fifths Compromise was to… O reinforce the unity of the New Eng
Which of the following events DID NOT lead to the Age of Exploration? O The Atlantic Slave Trade O The Crusades OThe Renaissance O Increased Demand for luxury g
A domain account is one that is created on a Windows server domain controller (network) using (Describe Microsoft accounts)
help pls! i don’t know how to do it