Simplify the expression and write the answer without negative exponents.
-3
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A tank contains 2
gallons of water. Its capacity is 
How much more water is needed to fill it?
A. 5
gal
B. 3
gal
C. 1
gal
D. 
gal
Solve the problem.The population size of a culture of bacteria quadruples every day such that its size is modeled by the sequence 
where n is the number of the day just beginning. Find the size of the culture at the beginning of the third day and the size of the culture originally.
A. 1120 bacteria; 17
bacteria originally
B. 1120 bacteria; 70 bacteria originally
C. 4480 bacteria; 70 bacteria originally
D. 4480 bacteria; 280 bacteria originally
Perform the indicated operation.
A. 100x5 - 80x - 70 B. 10x6 - 80x2 - 70x C. 10x5 - 8x - 7 D. 10x6 - 8x2 - 7x
Solve the equation.1.6x + 1.5 = -13 + 4.5x
A. 5 B. 3.6 C. 3.2 D. -17