Homework Help: algebra

Posted by bianca sorry on Monday, April 18, 2011 at 5:52pm.

the mass of mars is about 6.421x10^2 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of mars is the mass of the sun?
Give your answer in scientific notation.

I came up with 1 where do I keep going wrong?

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