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Mathematics, 06.11.2020 18:20 litjay98

There are about 3×1011 stars in our galaxy and about 100 billion galaxies in the observable universe. Suppose every galaxy has as many stars as ours. How many stars are in the observable universe? Write in scientific notation

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There are about 3×1011 stars in our galaxy and about 100 billion galaxies in the observable universe...
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