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
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Provide an appropriate response.Combine into a single fraction and simplify: 
+ 
What will be an ideal response?
What are the equations of Circle 1–Circle 5 on the template for Sam’s dartboard?
Sam is sketching a template on graph paper to use as a guide for his painted cork dart board. The diameter of Circle 1 is 2 feet and the distance between the edges of each of the next three pairs of circles is 1 foot.The distance between Circle 4 and Circle 5 is foot. Sam does not want axes through or touching his template and therefore wishes to sketch the dart board only in Quadrant I.At the closest points, he wants Circle 5 to be 1 unit from the y-axis and 1-unit from the x-axis. In this case:
Provide an appropriate response.Without using a calculator, explain why 2? must be greater than 8 but less than 16.
What will be an ideal response?
Express in terms of i.
A. ±20
B. 20i
C. -20i
D. i