The tree died 3696 years ago because 66x5600=369600/10=3696.
Answer:
C
Step-by-step explanation:
The inequality says greater than or equal to 8, which means the first two are automatically ruled out because they are both less than/equal to.
Then look at C and D, D starts at 3 and C starts at 8 so the answer should be C
Formula for C - 14 dating:
Age = [ ln ( percent/100 ) / ln (1/2 ) ] * 5,730 =
= [ ln ( 0.00921 ) / ln ( 0.5 ) ] * 5.730 =
= [( - 4.68746 ) : ( - 0.6931478 )] * 5,730 =
= 6.7626 * 5,730 = 38,749.56 ≈ 39,000 ( rounded to the nearest thousand )
Answer: The person died about 39,000 years ago.
We should each take these probabilities first individually.
Probability of tails in a coin toss = 1/2
Probability of <span>drawing letter T from the alphabet = 1/26
Probability of 2 tails in 2 coin toss = 1/4
Sample space = {HH, TT, HT, TH}
Add these together since these events happen after another = 1/2 + 1/26 / + 1/4 = 41/52
The final probability is 41/52</span>
