Solve the problem.How many different ways can 3 black, 4 blue, and 3 red marbles be arranged?
A. 3,628,800
B. 864
C. 46200
D. 4200
Answer: D
Mathematics
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Write the number in standard notation.9.139 × 10-6
A. 0.000009139 B. 0.0000009139 C. 0.00009139 D. -9,139,000
Mathematics
Find the value of the logarithm without using a calculator.ln e9
A. e ln 9
B. 9
C. 1
D. 
Mathematics
Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 32 pieces
B. 24 pieces
C. 
piece
D. 6 pieces
Mathematics
Solve the problem.To approximate the speed of a river, a circular paddle wheel with radius 0.63 feet is lowered into the water. If the current causes the wheel to rotate at a speed of 13 revolutions per minute, what is the speed of the current? If necessary, round to two decimal places.
A. 0.09 mph B. 0.58 mph C. 51.46 mph D. 0.29 mph
Mathematics