Perform the indicated operation. Express the answer in scientific notation.(2 × 10-8)(5 × 108)
A. 10 × 101
B. 1 × 101
C. 100 × 100
D. 1 × 10-64
Answer: B
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Sketch the graph.The blade of a saber saw moves vertically up and down. The vertical displacement y (in cm) is given by 
, where t is in seconds. Sketch the graph of y as a function of t, for 
A. 
B. 
C. 
D. 
Express the verbal representation for the function f graphically.Square the input x to obtain the output y.
A. 
B. 
C. 
D. 
Write the sum without sigma notation and evaluate it.
A. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 2 + 
+ 
B. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 6 + 
C. 2 sin ? + 2 sin 
= 
D. 2 sin ? + 2 sin 
+ 2 sin 
+ 2 sin 
= 1 + 
Given the following information, what is the economic ordering quantity (EOQ) for Nashville Records Inc.? ? Total demand (sales) = 15,625 units per year Selling price = $10 per unit Purchase price (cost) = $5 Carrying costs = 25 percent of inventory value Fixed cost per order = $1,000
A. 3,536 units B. 5,000 units C. 3,953 units D. 1,581 units E. 2,500 units