Answer:
10 4 for question one
Step-by-step explanation:
I don't have one I just know how and I did this
Answer:
3x+10
Step-by-step explanation:
The answer to 82.2% of 50 is 41.1
Answer:
77.8
Step-by-step explanation:
don't ask
Answer:

Step-by-step explanation:
a) The half-life equation is given by:

b) Using the decay equation we have:

we need to find t when 





Therefore, it will take 4820 years to decay to half the original amount.
I hope it helps you!