Answer:
8.898% will remain after 20000 years.
Step-by-step explanation:
First week need to know the half-life of carbon-14.
In this case it's 5,730 years.
There are calculators available online. (I'm too lazy to run through the equation.) 8.898% will remain after 20000 years.
The 5 in the ten thousandths place is 10 times greater than the 5 in the thousandths place.
Answer:
x= sine inverse of 0.75
Step-by-step explanation:
Pythagoras theorem
after that then using sine rule u can get ur angle x
