Use scientific notation to perform the following operations. Leave your answer in scientific notation.(3 × 106) × (7 × 10-3)
A. 2.1 × 10-2
B. 2.1 × 103
C. 2.1 × 102
D. 2.1 × 104
Answer: D
Mathematics
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Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.
A. 
B. 
C. 
D. 
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Find the midpoint of the segment connecting the given endpoints.(1, -6), (-7, 3)
A. (-6, -3)
B. (8, -9)
C. 
D. 
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Multiply.-13 ? (-13)
A. 182 B. -169 C. 169 D. -182
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Evaluate the square root.(
)2
A. 2
B. -5.6
C. 
D. 5.6
Mathematics