1.

If (25)_(n) xx (31)_(n) = (1015)_(n) then the value of (13)_(n) xx (52)_(n) is when n > 0:

Answer»

`a. (626)_(4)`
b.`(462)_(N)`
C. `(716)_(n) `
d. `(676)_(n)`

Answer :C


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