noname385
Answered

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xero099

Answer:

a) The value of [tex]n[/tex] is 81.30.

b) The value of [tex]n[/tex] is 81.

Step-by-step explanation:

a) The value of [tex]n[/tex] is the ratio of the mass of the Earth to the mass of the Moon. That is:

[tex]n = \frac{5.972\times 10^{24}\,kg}{7.346\times 10^{22}\,kg}[/tex]

[tex]n = 81.30[/tex]

The value of [tex]n[/tex] is 81.30.

b) If [tex]n[/tex] is a integer, then the result must have only two significant figures. Given the result, we must approximate to the closest integer. That is:

[tex]n = 81[/tex]

The value of [tex]n[/tex] is 81.

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