Solve the problem.In the "Big Bucks" lottery game, a person is to pick 7 digits from 0 to 9 in correct order. If a number can be repeated, how many ways are there to play a pick?
A. 40,353,607
B. 100,000,000
C. 282,475,249
D. 10,000,000
Answer: D
Mathematics
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A. x3 - 3x2 + 15x - 27 B. x3 - 9x2 + 9x - 27 C. x3 - 9x2 + 15x - 27 D. x3 - 9x2 + 27x - 27
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Name the conic.
A. hyperbola B. ellipse C. parabola D. circle
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Find the weighted average.Michael gets test grades of 70, 80, 81, and 87. He gets a 75 on his final exam. Find the weighted mean if the tests each count for 10% and the final exam counts for 60% of the final grade. Round to one decimal place.
A. 76.8 B. 78.6 C. 235.8 D. -82.2
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Find the sum Sn of the first n terms of the geometric sequence. 
, 
, 
, . . . ; n = 5
A. 
B. 
C. 
D. 
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