22-04-2015
Chemistry

contestada

if you have 1000g of radioactive waste with a half life of 50 million years what amount will you have left after 200 million years?

Respuesta :

Frankyg44 Frankyg44

22-04-2015

You will have 62.5 grams

1000g at 0 years
500g at 50mill
250g at 100mill
125g at 150 mil
62.5g at 200mill

Answer Link

Otras preguntas

In chapter 11, why do tenant farmers/ begin to fall apart?

6 kg of bananas cost $42. How much would 35 kg cost? Round the answer to the 2 decimal digit

Rectangle TUVW with vertices T(-3,-1), U(0, -2), V(-2, -8), and W(-5, -7): 90° counterclockwise T': U': V': W':

|||| Attempts Remaining: 1 Entering a Formula Insert a formula in cell G4 that finds the value of subtracting F4 from E4

-5w/9 = 30 solve for w and simplify your answer as much as possible

2. Briefly explain how to apply the rule of subject-verb agreement in the following scenarios:  Two subjects joined by “and” – Note also the exceptions.  Tw

Is it illegal to ask a person their age in an interview and if so what laws are they violating

what would happen if there was no greenhouse effect within Earth's atmosphere?

What’s the correct answer answer asap for brainlist

2.3x + 8 = - 1.7x - 8 solve for x