Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Answer: D
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Solve the problem. Round your answer to two decimal places.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 154.05 ft B. 142.09 ft C. 141.75 ft D. 121.5 ft
Write as a number.Round 628 to hundreds.
A. 500 B. 610 C. 600 D. 700
Water whose temperature is at 100 oC is left to cool in a room where the temperature is 50 oC. After 3 minutes, the water temperature is 94 oC. If the water temperature T is a function of time t given by 
, find k.
?
Round your answer to the nearest hundredth.
?
k ? __________
Fill in the blank(s) with the appropriate word(s).
Find the sum of the sequence.
A. 18 B. 20 C. 30 D. 14