Answer:
Step-by-step explanation:
The measure of the third unknown arc is
.
So,
Emily and Kate were at a cheerleading competition this fall.They cheered 12 rounds. Each round lasted 8.24 minutes. Calculate th
1 answer:
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Answer: 693 years
Step-by-step explanation:
Expression for rate law for first order kinetics is given by:
k = rate constant
t = time taken for decomposition = 1
= Initial amount of the reactant
= amount of the reactant left =
for half life :
Putting in the values , we get
Thus half life of this isotope, to the nearest year is 693.