Provide an appropriate response.A group of astronomers detected a radio signal that originated approximately 
light years from Earth. Write 3.857 × 106 in standard form.
A. 3,857,000
B. 385,700
C. 231.42
D. 38,570,000
Answer: A
Mathematics
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Solve the problem.How much work is done by a 170-lb woman as she walks up 10 steps, each with a 
-ft rise?
A. 850 ft ? lb B. 3400 ft ? lb C. 1700 ft ? lb D. 425 ft ? lb
Mathematics
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3x + 1; relative to f(x) = 3x
A. Moved down 1 unit(s)
B. Moved up 1 unit(s)
C. Moved down 1 unit(s)
D. Moved up 1 unit(s)
Mathematics
Solve the equation.2 + log3(2x + 5) - log3 x = 4
A. 
B. 
C. 
D. 
Mathematics
Identify the intervals where the function is changing as requested.Decreasing
A. (-?, -3) B. (-?, -2) C. (-3, -2) D. (0, -2)
Mathematics