Perform the indicated calculation. Express your answer using scientific notation.(7,860,000,000) ÷ (2,685,000)
A. 2.93 × 106
B. 2.93 × 104
C. 2.93 × 10-3
D. 2.93 × 103
Answer: D
Mathematics
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Solve the problem.A carousel has a radius of 18 feet and takes 35 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? If necessary, round the answer to two decimal places.
A. 3.23 ft/sec B. 113.1 ft/sec C. 0.51 ft/sec D. 12.22 ft/sec
Mathematics
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 1
; 
B. 2
; 
C. 4
; 
D. 1
; 
Mathematics
Given matrices A = 
, B = 
, and C = 
, decide if the statement is true or false.AB = BA.
A. True B. False
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Find the midpoint of the line segment whose end points are given.(3, 
) and (4, 
)
A. (7, 
)
B. (
, - 
)
C. (
, 
)
D. (- 
, 
)
Mathematics