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If 102y = 25, then 10-y equals: (a) -1/5, (b) 1/625, (c) 1/50, (d) 1/25, (e) 1/5
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If 102y = 25, then 10-y equals: (a) -1/5, (b) 1/625, (c) 1/50, (d) 1/25, (e) 1/5
0
votes
asked
May 21, 2019
in
Mathematics
by
sheetalkhandelwal
If 10
2y
= 25, then 10
-y
equals:
(a)
-1
/
5
, (b)
1
/
625
, (c)
1
/
50
, (d)
1
/
25
, (e)
1
/
5
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