log (base 5)(1/5)?

1 ⤊

2007-05-07 09:25:59 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Is like saying 5^x = 1/5

5^(-1) = 1/5
log base 5 (1/5) = -1

2007-05-07 09:35:00 · answer #1 · answered by Britt L 2 · 1⤊ 0⤋

Assume that log means log base 5
log (1/5)
= log 1 - log 5
= 0 - 1
= - 1

2007-05-07 11:12:56 · answer #2 · answered by Como 7 · 0⤊ 0⤋

= log (base 5) 5^(-1)
= -1*log (base 5) 5
= -1*1
= -1

2007-05-07 09:35:09 · answer #3 · answered by Tom 1 · 0⤊ 0⤋