Question 531817
Note that {{{ 625 = 5^4 }}}, so
{{{ ( 625 )^(1/4) = 5 }}}, so
{{{ ( 625 )^(3/4) = 5^3 }}}
{{{ 5^3 = 125 }}}
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In case this isn't what they want,
{{{ (625)^(3/4) = root( 4,(625)^3) }}}