What is the length of the wire
2 answers:
Answer:
140 is total length.
Step-by-step explanation:
If it is square, the formula for the area of the land would equal .
Or, side times side.
So, you would have to find the square root of 1225, which is 35.
Since there is four sides, 35*4 = 140
140 is the total length of the wire.
The length of each piece is 150/3 which is 46.(6)
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Answer: The age of the fossilized leaf is 13829 years.
Step-by-step explanation:
Expression for rate law for first order kinetics is given by:
where,
k = rate constant
t = age of sample
a = let initial amount of the reactant = 100
a - x = amount left after decay process =
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
b) for finding the age
The age of the fossilized leaf is 13829 years.