Answer: 7 years
Step-by-step explanation:
= In2 / ∧
since the half life is given , we have :
22 = In 2/ ∧
∧ = In2/22
∧ = 0.032
Recall the formula for half life:
=
Therefore:
0.80 =
Take the In of both sides
In 0.80 = - 0.032t
t = In 0.80 / - 0.032
t = 7 years
Answer:
This means the dot IS a part of the solution.
Step-by-step explanation:
A closed dot means it is included, but an open dot means it is not included.
Answer:
The answer is 4.
Step-by-step explanation:
8/3 ÷ 2/3 = 8/3 x 3/2 = 4
Answer: it’s the number that stays the same
Step-by-step explanation: ex. y = 24(6x)