if 10^2y=25,then 10^-y

Asked by  | 14th May, 2012, 07:10: PM

Expert Answer:

102y = 25
Since, amn = (am)n
(10y)2 = 25 = (5)2
So, 10y = 5
 
10-y = 1/5

Answered by  | 15th May, 2012, 09:15: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.