Question 37289
Solution
1) log(base10)7x^4
log(7)+4log(x), remember log in base 10
2) log(base7)x^1/2 / x
1/2log(x)-log(x), know in base 7
3) ln 3xy^2
Ln(3)+Ln(x)+2Ln(y), I suppose that this is in base e