In heaven,God uses star mass unit(smu) to measure weight of galaxies . 1 smu = 1/30th of the mass of the star.If the mass of our milky way galaxy is 900 smu, mass of how many stars will be equal to the mass of milky way galaxy?

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300

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Solution

The correct option is C
30

1 star mass unit (smu )= 1/30 of mass of star.

Relative mass of galaxy = 900 smu

So mass of 1 galaxy= (1/30) *900

Mass of 1 galaxy=Mass of 30 stars .

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In heaven,God uses star mass unit(smu) to measure weight of galaxies . 1 smu = 1/30th of the mass of the star.If the mass of our milky way galaxy is 900 smu, mass of how many stars will be equal to the mass of milky way galaxy?

The correct option is C 30 1 star mass unit (smu )= 1/30 of mass of star. Relative mass of galaxy = 900 smu So mass of 1 galaxy= (1/30) *900 Mass of 1 galaxy=Mass of 30 stars .

The correct option is C
30

1 star mass unit (smu )= 1/30 of mass of star.

Relative mass of galaxy = 900 smu

So mass of 1 galaxy= (1/30) *900

Mass of 1 galaxy=Mass of 30 stars .