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anonymous

  • one year ago

(a) 1.51 light-years to miles (a light-year is an astronomical measure of the distance traveled by light in a year, or 365 days; the speed of light is 3.00 x 10^8 m/s) (b) 30.5yd to centimeters (c) 2.5 x 10^10 cm/s to ft/s

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  1. anonymous
    • one year ago
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    60second=1minute 3600 seconds=1hour 24 hour=1day 365 days=1year Without canceling units because I'm too lazy to at the moment, one light year would be 3.00 x 10^8meter/sec x 3600sec x 24 hour x 365days=?? Whatever you get times it by 1.51 because we want 1.51 light year. Let that answer be x That is the meter in 1.51 light years, but we want miles. Since 1mile=1609.34m x/1609.34

  2. anonymous
    • one year ago
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    9.4608 x 10^15 for the first part.

  3. anonymous
    • one year ago
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    And I got 8.88 x 10^12 for the full answer.

  4. anonymous
    • one year ago
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    b) 1 yard=91.44cm so how many cm in 30.5 yards ? c)1cm/s=0.0328ft/s so how many ft/s in 2.5 x10^10cm/s? You just multiply them.

  5. anonymous
    • one year ago
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    b. 2.79 x 10^3

  6. anonymous
    • one year ago
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    c. 8.20 x 10^8

  7. anonymous
    • one year ago
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    Looks right. Doing something right now. Be back in 10minutes.

  8. anonymous
    • one year ago
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    Alright.

  9. anonymous
    • one year ago
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    I need to go do something too. I'll be back. Feel free to help others and such.

  10. anonymous
    • one year ago
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    You got all correct! Dont worry about me. :)

  11. anonymous
    • one year ago
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    Thanks for the help!

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