Find the common ratio r for the given infinite geometric sequence.3, -9, 27, -81, 243, ...
A. 3
B. -12
C. - 
D. -3
Answer: D
Mathematics
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Chooce the most reasonable metric measure.the length of a room
A. meter B. kilometer C. dekameter D. millimeter
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Place the correct symbol, < or >, in the blank between the whole numbers.6828 
6505
A. < B. >
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Give the cardinality of the set
?
?
A. 1,087 B. 1,089 C. 1,088 D. 1,084 E. 1,093
Mathematics
Multiply.0.0038
A. 0.00874 B. 0.0874 C. 0.0000874 D. 0.000874
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