Solve the problem. Express the answer in scientific notation to two decimals.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 × 105 miles/second.
A. 6.0 × 1014 mi
B. 6.0 × 107 mi
C. 6.0 × 105 mi
D. 6.0 × 1012 mi
Answer: D
Mathematics
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Find the indicated value of the given function. f(x) = 
, f(5)
A. 891
B. 
C. Undefined
D. - 
Mathematics
Simplify.7.72 × [(7 - 3.6) ÷ 0.04 + 0.3]
A. 5064.443 B. 50,574.37 C. 5057.437 D. 50,588.93
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Solve the problem.Anne and Carol can paint a room in 13 hours working together. Anne takes 6 hours longer to paint the room working alone than it takes Carol working alone. How long does it take Carol to paint the room by herself?
A. 10 + 
hr
B. 29 hr
C. 16 + 
hr
D. 23 hr
Mathematics
Use the formula C = 
(F - 32) for converting degrees Fahrenheit into degrees Celsius to find the Celsius measure of the Fahrenheit temperature.F = -13°
A. -20° C B. -25° C C. -15° C D. -30° C
Mathematics