Solve the problem.The function A = Aoe-0.00693x 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 400 pounds of the material are initially put into the vault, how many pounds will be left after 110 years?
A. 182 pounds
B. 187 pounds
C. 220 pounds
D. 213 pounds
Answer: B
Mathematics
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Change the percent 0.1% to an equivalent decimal number and reduced fraction.
A. 1.0; 
B. 0.1; 
C. 0.001; 
D. 0.00001; 
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State the multiplication property illustrated by the given equation.-7 × (-13) = -13 × (-7)
A. Identity B. Zero C. Distributive D. Commutative
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Determine the value of cell E1 if it contains the formula. ? +C1(A1 + 3B1) ? 1 A B CDE 6-42 3 2 3 4 5 ? E1 = __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the properties of logarithms to solve.log 6 (4x - 5) = 1
A. 
B. 
C. 
D. 7
Mathematics