Rewrite with positive exponents, and simplify, if possible.
A. p3/4
B. 
C. p4/3
D. 
Answer: B
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Solve the problem.A numbers game run by many state governments allows a player to select a three-digit number from 000 to 999. There are 1000 such numbers. A bet of $8 is placed on a number. If the number is selected, the player wins 
. If any other number is selected, the player wins nothing. Find the expected value for the game.
A. $7.20 B. -$7.20 C. -$0.80 D. $0.80
Perform the indicated operation
Divide.
A. 10.5 B. 20.5 C. 2.05 D. 1.05
Solve the problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 23 minutes requires 4.6 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 26.45 gal B. 0.8 gal C. 1.15 gal D. 20 gal