Use scientific notation to solve the problem.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 
the distance from the sun to Mars?
A. 7.6 × 103 sec
B. 76 sec
C. 7.6 × 102 min
D. 7.6 × 102 sec
Answer: D
Mathematics
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and 
A. 
B. 
C. 
D. 
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Solve the exponential equation using the method of "relating the bases" by first rewriting the equation in the form 
= 
A. 
B. 
C. 
D. 
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Determine the domain and the range of the function.f(x) = -x2 + 2x
A. domain: {x|x ? 1} range: {y|y ? 1} B. domain: {x|x? -1} range: {y|y ? 1} C. domain: all real numbers range: {y|y ? -1} D. domain: all real numbers range: {y|y ? 1}
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Solve the rational equation.
= 
- 
A. ? B. {3, 6} C. {3} D. {6}
Mathematics