SOLUTION: if 5^21*4^11=2*10^n what is value of n

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Question 66448: if 5^21*4^11=2*10^n what is value of n
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
5%5E21%2A4%5E11=2%2A10%5En
5%5E21%2A%282%5E2%29%5E11=2%2A10%5En
5%5E21%2A2%5E22=2%2A10%5En
5%5E21%2A2%5E21%2A2=2%2A10%5En
10%5E21%2A2=2%2A10%5En

Therefore n= 21

R^2 at SCC

P.S. Nice problem!!