Solve the problem.The half-life of plutonium-234 is 9 hours. If 70 milligrams is present now, how much will be present in 2 days? (Round your answer to three decimal places.)
A. 48.367
B. 1.736
C. 15.001
D. 60.007
Answer: B
Mathematics
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Solve the problem.If the length, width, and height of a rectangular solid are measured to be 9, 8, and 3 inches respectively and each measurement is accurate to within 0.1 inch, estimate the maximum possible error in computing the volume of the solid.
A. 1230.00 B. 1025.00 C. 1366.67 D. 1537.50
Mathematics
Is the function graphed below one-to-one?
A. Yes B. No
Mathematics
Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.
x - 
y = 3
x + 
y = 3
A. No solution
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.csc 330°
A. - 
B. -2
C. 
D. 2
Mathematics