Answer: 
Step-by-step explanation:
We know that the general form of the exponential decay formula is
, where y is final amount remaining after t time, A is the original amount and r is the rate of decay
Now, the ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident. 
Hence, the ratio of remaining since the nuclear accident is 
Answer:
19 6j/5
Step-by-step explanation:
Answer:
i don't now sslslslslsl
Step-by-step explanation:
b gvff f f fhevfhevfb efbehjfbej fef ehfbekfj
Answer:
My guess would be that the slope is -3
Step-by-step explanation:
Based on what I was taught, I would use the formula y2-y1/x2-x1
-7 - 2
---------- = -3
-3 - (-6)
The answer for the equation is (4, -2)