Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 102 min
B. 7.6 × 103 sec
C. 7.6 × 102 sec
D. 76 sec
Answer: C
Mathematics
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A. 0
B. 
C. 2
D. 
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Provide an appropriate response.The random variable X has density function f(x) = 
Find ? and ?.
What will be an ideal response?
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Solve the equation by completing the square.a2 - 12a = -27
A. {±
}
B. {24, 3}
C. {-9, -3}
D. {9, 3}
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Use half-angle identities to find the exact value of the expression.tan 
A. 
B. 2 + 
C. 
D. 2 - 
Mathematics