The half-life of radium-226 is 1600 years. What is the decay rate? As a percent, round to three decimal places.
What will be an ideal response?
0.043% per year
Mathematics
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Find the third derivative of the function.
?
What will be an ideal response?
Mathematics
Solve the problem.The diagram shows the roads connecting four cities. Write a matrix to represent the number of routes between each pair of cities without passing through another city.WY
XZ
A. 
B. 
C. 
D. 
Mathematics
Write fraction in lowest terms.The Brown family traveled 200 miles on a trip this summer. 20 miles of their trip was by train. What fraction of the trip was by train?
A. 
B. 200
C. 
D. 10
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.3
+ 9
A. 12
B. 84
C. 27
D. 12
Mathematics