ayerskaleigh ayerskaleigh

03-12-2020
Mathematics

contestada

You have 2,112 grams of a radioactive kind of mercury. How much will be left after 188 days if it's half-life is 47 days?

Respuesta :

mhanifa mhanifa

12-12-2020

Answer:

132 g

Step-by-step explanation:

Initial amount = 2112 g
Time = 188 days
Half-life = 47 days

188 days / 47 days = 4 periods

Mercury left after 188 days:

2112 * (1/2)^4 =
2112* 1/16 =
2112/16 =
132 g

Answer Link

Otras preguntas

Me llamo Nadya means my name is Nadya. Correct Incorrect

Write a balanced equation for the neutralization of hydrochloric acid by barium hydroxide. Use the smallest possible integer coefficients.

Healthy People 2020 broad goals focuses on reducing risky behaviors through prevention. What would be the best example of preventive choice you could make to st

What should you do if you spill a chemical on your hand?

What quantity do units represent in a value? A. size

When you do work on an object some of the energy is ___ to that object

3/4 and 1/6 whats the least common denomiator

The ability to unconsciously process how many times you checked your phone for text messages during the past 24 hours best illustrates

Compare ice cream to cake. Describe what makes ice cream different from other desserts. Discuss two criticisms of ice cream in relationship to other desserts. E

Solve : 3x – 4 = 2(x-1)