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shivam_bhalla
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A simple looking tough question pertaining to number of digits. Question below
 2 years ago
 2 years ago
shivam_bhalla Group Title
A simple looking tough question pertaining to number of digits. Question below
 2 years ago
 2 years ago

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shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.0
http://mypat.in/PaperImages/3/425/Q_14_014.gif
 2 years ago

1729antony Group TitleBest ResponseYou've already chosen the best response.2
5^30=(10/2)^30=p(say) now log p =log 10^30  log 2^30 = 3030*.3010=20.97 so 5^30 lies between 10^20 and 10^21.. so it has 21 digits
 2 years ago

shivam_bhalla Group TitleBest ResponseYou've already chosen the best response.0
Thanks @1729antony , good work brother. Dunno where I left my brain today :P
 2 years ago
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