Answer:
help
Step-by-step explanation:
Are you sure you wrote all the correct numbers because it does not work
Answer:
and 
Step-by-step explanation:
The equation of the isotope decay is:

14-Carbon has a half-life of 5568 years, the time constant of the isotope is:


The decay time is:
(There is no a year 0 in chronology).

Lastly, the relative amount is estimated by direct substitution:





Either you can use distributive property or you can add up the numbers in the brackets.
Hopefully that helped! :)
this option is incorrect
A straight angle is one full revolution.
Step-by-step explanation:
Straight angle = 180°
Angle take 360° in one revolution