Question 481725
I'm assuming you mean log base 7 343



{{{log(7,(343))=log(10,(343))/log(10,(7))=log(10,(7^3))/log(10,(7^1))=(3*log(10,(7)))/(1*log(10,(7)))=(3*cross(log(10,(7))))/(1*cross(log(10,(7))))=3/1=3}}}



So {{{log(7,(343))=3}}}