Solve the problem.The half-life of plutonium-234 is 9 hours. If 20 milligrams is present now, how much will be present in 4 days? Round your answer to three decimal places.
A. 0.918 mg
B. 0.012 mg
C. 9.548 mg
D. 14.697 mg
Answer: B
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Perform the matrix operation.Let B = 
. Find -2B.
A. 
B. 
C. 
D. 
Evaluate the integral.
A. 
x3 - 16x + 
tan-1 
+ C
B. 
x3 - 250x + 
tan-1 
+ C
C. 
x3 - 16x + 
tan-1 
+ C
D. 
x3 - 16x + sin-1 
+ C
Estimate the indicated component or components of the vector. Round to an appropriate number of significant digits.
= 55.1, ? = 219.2°; Find the horizontal and vertical components of v.
A. horizontal = -42.7, vertical = -34.8 B. horizontal = 42.7, vertical = 34.8 C. horizontal = -42.7, vertical = 34.8 D. horizontal = 42.7, vertical = -34.8
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A parabola and a hyperbola; three points
What will be an ideal response?