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gettin there
- Junior | Next Rank: 30 Posts
- Posts: 10
- Joined: Thu Sep 25, 2008 9:15 am
- Location: new york
- GMAT Score:600
Approach in the dark, when it is less expecting yougettin there wrote:(1/5)^m *(1/4)^18 = 1/ 2(10)^35
1/5^m *1/2^36 = 1/ 2(10)^35
1/(5^m*2^36) = 1/ 2(10)^35
so actually, we are looking at:
5^m*2^36 = 2(10)^35
10=2x5 so
5^m*2^26 = 2 2^35 5^35
You can actually stop here and choose m=35. There is only one 5 on each side.
