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Algebra 13 Online
OpenStudy (anonymous):

Astronomers measure large distances in light years.one light year is the distance that light can travel in one year or approximately 5.88x10power of 12 miles suppose a star is 7.4x10 power of -1 light years from earth. in scientific notation. approximately how many miles is it?

OpenStudy (lieutenantgeneral):

7.080000e+1 + 7.300000e+1 = 1.438000e+2

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