Part 1 or 2 To determine the lifetime of a 1.51Meun star, we use the formula for stellar lifetimes. 2.5 M. Sun 'star tsun M. 'star Using the given mass and multiplying by the expected lifetime of the Sun (11 x 10° years), we can calculate the following. (Round your answer to at least three significant figures.) tstar Jyears Submit Skip
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