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4 years ago

Round 492.3069 to the nearest thousandth

Mathematics

1 answer:

Llana [10]4 years ago

4 0

The answer is 492.307
The number after the thousandths is 9 - greater than 5 - so we round 6 up to 7.

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The mass of the sun is 2.13525×10^30 kilograms. The mass of Mercury is 3.285×10^23 kilograms.

Rama09 [41]

Answer:

The mass of Sun is $65\times 10^5$ times greater than mass of Mercury.

Step-by-step explanation:

We are given that

Mass of the sun= $M=2.13525\times 10^{30}$ kg

Mass of Mercury, $m=3.285\times 10^{23}$ kg

We have to find how many times greater is the mass of the sun than the mass of Mercury.

Mass of sun/Mass of mercury= $\frac{2.13525\times 10^{30}}{3.285\times 10^{23}}$

Mass of sun/Mass of mercury $=0.65\times 10^{30-23}$

Using the property

$a^x/a^y=a^{x-y}$

Mass of sun/Mass of mercury $=0.65\times 10^{7}$

Mass of sun/Mass of mercury $=65\times 10^5$

Mass of Sun= $65\times 10^5$ times Mass of Mercury

Hence, the mass of Sun is $65\times 10^5$ times greater than mass of Mercury.

8 0

3 years ago

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fenix001 [56]

Answer:

there are 60 minutes per hour and 60 seconds per minute

60x 60 = 3600 seconds her hour

21000/3600 = 5.83 miles per second

Step-by-step explanation:

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Step-by-step explanation:

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