Multiply or divide as indicated. Write the answer in scientific notation.(5 × 104)(8 × 105)

A. 4 × 109
B. 4 × 1010
C. 4 × 108
D. 4 × 1021


Answer: B

Mathematics

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Find the value of each square root by use of a calculator. Each number is approximate. + 

A. 6.5863 B. 4.75060 C. 6.58630 D. 4.7506

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Use Taylor series to evaluate the limit.

A. 105 B. 5 C. 50 D. 60

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Solve.A water tank can be filled in 5 minutes and emptied in 9 minutes. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?

A. 28 min  B. 11.25 min C. 20 min  D. 4 min 

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Express the data in the graph as ordered pairs, letting the first coordinate represent the year and the second coordinate the amount.Total Advertisement Spending for Soccer Tournament

A. (2003, 152.81), (2004, 155.38), (2005, 157.12), (2006, 158.27), (2007, 160.24), (2008, 162.98) B. (1, 152.81), (2, 155.38), (3, 157.12),( 4, 158.27), (5,160.24), (6, 162.98) C. (2003, 155.38), (2004, 152.81), (2005, 157.12), (2006, 160.24), (2007, 158.27), (2008, 162.98) D. (152.81, 2003), (155.38, 2004), (157.12, 2005), (158.27, 2006), (160.24, 2007), (162.98, 2008)

Mathematics