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A number is written in scientific notation when it is the product of a number less than 10 but greater than or equal to 1 and a power of 10. All numbers in scientific notation have the following form.
A✕10^n
The mass of the Sun is 1,990,000,000,000,000,000,000,000,000,000 kg. Express the mass in kg using scientific notation. (Enter your answer using one of the following formats: 1.2e-3 for 0.0012 and 1.20e+2 for 120. WebAssign allows you to enter answers using scientific notation. For example, a number in scientific notation such as 1.32 104 would need to be entered as 1.32e4. The system requires that you do not use spaces. Enter your answer to two decimal places.)Â
____________kg

Answer :

MrRoyal

Answer:

[tex]Mass = 1.99 * 10^{30} kg[/tex]

Explanation:

Given

[tex]Mass = 1,990,000,000,000,000,000,000,000,000,000\ kg[/tex]

Required

Rewrite using scientific notation

The format of a number in scientific notation is

[tex]Digit = a * 10^n[/tex]

Where [tex]1 \geq\ a\geq\ 10[/tex]

So the given parameter can be rewritten as

[tex]Mass = 1.99 * 1,000,000,000,000,000,000,000,000,000,000\ kg[/tex]

Express as a power of 10

[tex]Mass = 1.99 * 10^{30} kg[/tex]

Hence, the equivalent of the mass of the sun in scientific notation is:

[tex]Mass = 1.99 * 10^{30} kg[/tex]

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