Top part: 12 * 3 * 3 = 108
bottom part: 5 * 5 *5 = 125
total: 108 +125 = 233 in^3
Answer is C
Answer: The sample is 13414 years old.
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 completion of 20% of reaction
The sample is 13414 years old.
Answer:
Correct Answer is option A.
Step-by-step explanation:
24 - 18 ÷ 3
According to PEMDAS Rule where P stands for parenthesis ,E exponents,M multiplication ,D division , A addtion and S subtraction
so first we divide 18 by 3 we get
24-6
Answer.
Answer:
87.5%
Step-by-step explanation:
It decreased by 16 - 2 or 14, and since he wrote 16 tickets last week, the answer is 14/16 in percent form, or 7/8 = 87.5%.
201.06193 is the area.
πr² is the formula for a circle