Answer:
1. -2
2. 21^2
Step-by-step explanation:
SOLUTION
We have been given the equation of the decay as

So we are looking for the time
Plugging the values into the equation, we have

Taking Ln of both sides, we have

Hence the answer is 4308 to the nearest year
Answer:
16 questions
Step-by-step explanation:
12÷3/4
12×4/3
48/3=16
The last one 7(30)-7(7) because if you do it then it is 7(23) which doesn’t make sense because it is 27 we need to find