The answer is 17. 17*50=850 that is most you can fit in without going over and there is still one TV that weighs 30 kg.
Answer:
6.56 g
Step-by-step explanation:
We can write the mass of radioactive isotope left after a time t by using the equation

where
is the initial amount of radioactive isotope
is the half-life
is the time
In this problem, we want to know the amount of radioactive isotope left after 5 half-lives, so after

Substituting into the equation, we have

Answer:
Step-by-step explanation:
Cos 2A = 2Cos² A - 1
