So the question ask to determine how long that the wooden artifact found in an ancient tombs and contains 70% of the carbon-14 was made, and base on the fact and the given data about the said artifact, the possible answer would be that the the artifact is 2948 years old. I hope you are satisfied with my answer
Answer:
6/5
Step-by-step explanation:
hope this helps :)
Let's firstly convert the mixed fraction to "improper" and then proceed,

-25 and 4
-25(4)=-100
-25+4=-21
Answer:
$4
Step-by-step explanation:
$25-$5=20
20 divided by 5 = 4