If 102y = 25, then 10-y equals:  Choose the correct choice from the following answers:	A) A)3	B) B)2	C) C)6	D) D)9	E) E)1/5
102y = 25   (10y)2 = 52   10y = 5   1/10y = 1/5   10-y = 1/5   Answer :1/5
<result>E</result>
If 102y = 25, then 10-y equals: