granatohannah9735 granatohannah9735
  • 15-11-2022
  • Chemistry
contestada

the half-life of radium-226 is 1590 years. if a sample contains 200 mg, how many mg will remain after 2000 years?

Respuesta :

Otras preguntas

I need challenges and benefits for serfs, nobles, clergy, merchants, monarchs, artisans, and knights 1 Paragraph for each please. NO PLAGIARISM
(-x+2y)(3x-2y-8) using distributive property
pls help fooood At dinner time in RSM Summer Camp, David noticed that he had three choices of soups, four choices of salads, two choices of sandwiches, and
Solve. x + 4 – 7x = 22
What is the slope of the line passing through the points (−3, −5) and (−1, −6)
Laura earns 134,350 per year. Her income tax rate is 28%. What should her monthly deduction be?
Personal identity is to ______ as social identity is to ______. a. self-concept; groupthink b. self-concept; group identity c. self-esteem; group identity d. in
Nina earns $60 for 5 hours of shoveling snow. Complete each statement if Nina keeps earning her money at this same rate. CLEAR CHECK For 6.5 hours of shoveling
If white wool (W) is dominant over black wool (w), can two sheep with black wool produce an offspring with white wool? Explain your answer.
During an inspection, health inspectors will sometimes ask employees questions. They do this because they want to know _______.