Question

I do not understand what i am getting wrong for the 3rd question

Answer 1

-4.1201

SOLUTION

`\log _b(1)/(4)=\log _b1-\log _b4`

this is also equivalent to

`\log _b(1*7)/(4*7)=\log _b(7)/(28)=\log _b7-\log _b28=5.7833-9.9034=-4.1201`