Posted by rr on Monday, May 14, 2012 at 9:11pm.
The mass of Mars is about 421x10^20 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Mars is the sun? Give answer in scientific notation.
The mass of the sun is about....times the mass of mars.

math  PsyDAG, Tuesday, May 15, 2012 at 3:41pm
1.998*10^27 = 19,980,000*10^20
(19,980,000*10^20)/(412*10^20) =
19,980,000/412 = 48,495.1456 = 4.84951456*10^4
You might want to round it to 4.85*10^4
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