if 625 ( 5 ^ x ) = 1 then x =  Choose the correct answer.
A) – 2  B) - 4  C) 0  D) - 1  E) 2
<gadget id="calculator">1 / 625</gadget>
<output>1/625 = around 0.0016</output>

<gadget id="calculator">log(1/625)</gadget>
<output>-log(625) = around -6.437752</output>

<gadget id="calculator">log(5)</gadget>
<output>log(5) = around 1.609438</output>

<gadget id="calculator">(-log(625)) / log(5)</gadget>
<output>-log(625)/log(5) = around -4</output>

<result>B</result>
if 625 ( 5 ^ x ) = 1 then x =
divide(log(divide(1, 625)), log(5))
"5 ^ x = 1 / 625 5 ^ x = 1 / 5 ^ 4 5 ^ x = 5 ^ - 4 x = - 4 b"