Question 140525
a logarithm is an exponent that some base is raised to, to get a value


logb(a)=x means b^x=a


log3(81) means 3^?=81 __ 9*9=81 __ 3*3*3*3=81 __3^4=81 __ log3(81)=4



6(4)-2(2)/4(3)