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Our solar system is 1.18 × 1013 meters in diameter, and the Milky Way galaxy is 7.8 × 1020 meters in diameter. How many times wider is the Milky Way galaxy than our solar system? Write your answer in scientific notation, and round the coefficient to the nearest tenth.

Respuesta :

musiclover10045

Divide 7.8 by 1.18:

7.8 / 1.18 = 6.61 = 6.6 rounded to the nearest tenth.

When you divide scientific notation, subtract the exponents: 20 - 13  =7

The answer becomes 6.6 x 10^7

Division is one of the four fundamental arithmetic operations. The number of times the milk way is wider than the solar system is 6.61 × 10⁷.

What is Division?

The division is one of the four fundamental arithmetic operations, which tells us how the numbers are combined to form a new one.

Given that our solar system is 1.18 × 1013 meters in diameter, and the Milky Way galaxy is 7.8 × 1020 meters in diameter. Therefore, the number of times the milk way is wider than the solar system is,

Number of times = (Diameter of MIlky way)/(Diameter of Solar System)

                            = 7.8 × 10²⁰ meters/ 1.18 × 10¹³ meters

                            = 6.61 × 10⁷

Learn more about Division:

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