Asked by Someone
So basically it's a question about astronamers measuring light-years
And well I need help because I'm stuck on this test and really just gotta turn it in to do my other work so if anyone can help please do so
Question: Astronamers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 x 10^12 miles. Suppose a star is 9.8 X 10^1 light-years from Earth. In scientific notation, approximately how many miles is it?
And well I need help because I'm stuck on this test and really just gotta turn it in to do my other work so if anyone can help please do so
Question: Astronamers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 x 10^12 miles. Suppose a star is 9.8 X 10^1 light-years from Earth. In scientific notation, approximately how many miles is it?
Answers
Answered by
R_scott
9.8 * 10^1 * 5*55 * 10^12 = 9.8 * 5.88 * 10^13 = ?
remember, scientific notation means one digit to the left of the decimal point
... adjust the power of ten to maintain the value
remember, scientific notation means one digit to the left of the decimal point
... adjust the power of ten to maintain the value
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