Solve the problem.The decay of 336 mg of an isotope is given by A(t)= 336e-0.014t, where t is time in years. Find the amount left after 96 years.
A. 44 mg
B. 88 mg
C. 86 mg
D. 331 mg
Answer: B
Mathematics
You might also like to view...
Sketch D and g(D) from the description of D and change of variables 
x = u cos v, y = u sin v where D is the rectangle 1 ? u ? 2, 0 ? v ? 
?
A.
 ? |  |
B. None of these.
C.
 ? |  |
D.
 ? |  |
Mathematics
Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.
A. 
- 8x + 12ln
- 
+ C
B. 
- 8x + 48ln
+ 
+ C
C. 
- 8x - 48ln
+ 
+ C
D. 48ln
+ 
- 
+ C
Mathematics
Collect like terms.7.8a + 8.2b - 1.2a - 2.1b
A. 9.0a + 10.3b B. 6.6a + 6.1b C. 6.6a + 10.3b D. -6.6a + 6.1b
Mathematics
Solve the equation.
= 
A. {
, - 
}
B. ?
C. {- 
, 
}
D. 
Mathematics