Write the number in expanded form.623,865
A. (6 ? 105) + (2 ? 104) + (3 ? 103) + (8 ? 102) + (6 ? 101) + (5 ? 100)
B. (6 ? 106) + (2 ? 105) + (3 ? 104) + (8 ? 103) + (6 ? 102) + (5 ? 101)
C. (6 ? 101) + (2 ? 102) + (3 ? 103) + (8 ? 104) + (6 ? 105) + (5 ? 106)
D. (6 ? 100) + (2 ? 101) + (3 ? 102) + (8 ? 103) + (6 ? 104) + (5 ? 105)
Answer: A
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The following table shows the number C, in millions, of cars sold in the U.S. t years after 2005. Based on the regression equation, how would you expect sales to be affected over a 5-year period? t 0 1 3 5 C 5.56 5.46 5.27 4.56? ?
A. Sales would decrease by 0.19 million cars. B. Sales would increase by 0.95 million cars. C. Sales would increase by 0.19 million cars. D. Sales would decrease by 0.95 million cars.
Solve the problem.The number of births in County A has been increasing in recent years. Use the information given in the bar graph for the years 1960 and 1990, letting x = 0 represent the year 1960 and letting y represent the number of births. Use the graph to estimate the number of births in 1980.
A. 1900 B. 1975 C. 1875 D. 2050
Solve the problem.135 students attended an assembly at Piper School. The student enrollment at the school is 180. What percentage of the students attended the assembly?
A. 80% B. 75% C. 55% D. 65%
Write with radicals. Assume that all variables represent positive real numbers.m2/3
A. 
B. 
3
C. 
2
D. 