Posted by cathey on Tuesday, December 20, 2011 at 9:18am.
Multiply that speed by the number of seconds in a year, which is 365x24x3600 = ____
Express the result in scientific notation, _.__x10^_
The answer will be the length of a light=year, in miles.
Compare your answer with
http://www.universetoday.com/39630/light-year-in-miles/
Unless you have been told otherwise I would recommend that you include the units in a conversion such as this. While it might seem pedantic here, it can help a great deal when the units are less familiar.
365 d y^-1 x 24 h d^-1 x 60 min h^-1 x 60 s min^-1 = ___ s y^-1
Related Questions
math - the speed of light is1.86 times 10 with a power of 5 miles per second. ...
math - the speed of light is 1.86 times 10 with the power of 5 miles per second...
algebra - A light-year is the distance that light travels in one year. Find the ...
science - An average human heart rate is 70 beats per minute. How many times it ...
scientific notation? - A) light travels at approximately 186,000 miles per ...
algebra - the speed of light is about 1.86 x 10^5 miles per second. find the ...
pre-algebra - A) light travels at approximately 186,000 miles per second. ...
my pre-algebra questions - A) light travels at approximately 186,000 miles per ...
Science. - Assume a typical hummingbird has a lifespan of 4.0 years and an ...
8th grade - A) light travels at approximately 186,000 miles per second. ...
For Further Reading
