a.
To Calculate: The number of stars is there in the universe as the Milky Way using order of magnitude.
a.
Answer to Problem 10MCQ
The universe has about
Explanation of Solution
Given:
The number of stars in the universe has an order of magnitude of
The number of stars in the Milky Way galaxy is around 100 billion.
Calculation:
Number of stars in the galaxy
Number of stars in the Milky Way:
Thus,
The universe has about
b.
To identify: The mathematical practice to be used to solve this problem.
b.
Answer to Problem 10MCQ
Reason abstractly and quantitatively.
Explanation of Solution
Given:
The number of stars in the universe has an order of magnitude of
The number of stars in the Milky Way galaxy is around 100 billion.
Calculation:
The mathematical practice used to solve this problem was “Reason abstractly and quantitatively” since it was a word problem.
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