Solve the problem.The function A = Aoe-0.0099x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 300 pounds of the material are initially put into the vault, how many pounds will be left after 150 years?
A. 70 pounds
B. 68 pounds
C. 321 pounds
D. 217 pounds
Answer: B
Mathematics
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Restate the following statement in two other ways.48 is a multiple of 8
What will be an ideal response?
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Divide the following numbers:
16a2b 18x4y3z2 a. ÄÄÄÄÄ c. ÄÄÄÄÄÄÄÄ 4ab 3xy2z 14ab-2 144abc2 b. ÄÄÄÄÄÄ d. ÄÄÄÄÄÄÄ 7a2b-2 6a2bc
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Solve.102 = x + 79
A. 21 B. 15 C. 13 D. 23
Mathematics
Find the unit vector having the same direction as v.v = 4i + 3j
A. u = 
i + 
j
B. u = - 
i - 
j
C. u = 
i + 
j
D. u = 20i + 15j
Mathematics