(300) (30,000) = 9 x 10m
9,000,000 = 90m
divide by 90
100,000 = m
Answer: the answer is 48 feet
Step-by-step explanation: 24+ 12+ 12=48
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:
It should be B $250 - - - - -
Answer: 250 years
Step-by-step explanation:
12/3=4
4 x $1 = $4 per year
$1000/4=250
250 years