# SOLUTION: The brightest star in our sky is Sirius, which is 51,700,000,000,000 miles away from earth. The speed of light is approximately 299,329.8 kilometers per second. Determine how long

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: The brightest star in our sky is Sirius, which is 51,700,000,000,000 miles away from earth. The speed of light is approximately 299,329.8 kilometers per second. Determine how long       Log On

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 Click here to see ALL problems on Travel Word Problems Question 203303This question is from textbook Mathematics For Technical trades : The brightest star in our sky is Sirius, which is 51,700,000,000,000 miles away from earth. The speed of light is approximately 299,329.8 kilometers per second. Determine how long it will take light leaving earth to reach Sirius. round your answer to the nearest tenth of a year. Use 365 days = 1 Year. Here is a story problem we have and I cannot figure this out can you? Thanks janetThis question is from textbook Mathematics For Technical trades Answer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!The brightest star in our sky is Sirius, which is 51,700,000,000,000 miles away from earth. The speed of light is approximately 299,329.8 kilometers per second. Determine how long it will take light leaving earth to reach Sirius. round your answer to the nearest tenth of a year. Use 365 days = 1 Year. --------------------------------- Change the kilometers per second to miles per second by dividing be 1.6 to get 187981.125 miles per second: ---- Divide the distance Sirius is from the earth by 187981.125 to get 276350700.8 seconds --------------- Calculate the number of seconds in a year as follows: 60*60*24*(365) = 31536000 seconds in a year --------------- Divide that bigger number of seconds by the smaller number to get 870.63..years ---------------------- Comment: You should check all these calculations. You need to be accurate ----------------------- Cheers, Stan H.