Solve the problem.A certain radioactive isotope decays at a rate of 1% per 500 years. If t represents time in years and y represents the amount of the isotope left, use the condition that 
to find the value of k in the equation 
A. -0.01005
B. -0.00002
C. 0.00002
D. 0.00538
Answer: B
Mathematics
You might also like to view...
Determine whether the graph is connected or nonconnected.
A. Connected B. Nonconnected
Mathematics
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The test scores of 40 students are summarized in the frequency distribution below. Find the standard deviation. 
A. 15 B. 14.3 C. 13.5 D. 15.8
Mathematics
Graph the inequality.y ? x - 6
A. 
B. 
C. 
D. 
Mathematics
Determine the unit rate.240 miles on 10 gallons of gas
A. 24 mpg B. 250 mpg C. 2400 mpg D. 0.042 mpg
Mathematics