Question

Which of the following is equivalent to log8 40 rounded to three decimal places

Answer 1

I'm not sure to really be honest

Answer 2

The answer is 1.77398, or can be rounded to 1.774

Log8(40)

Log2^3(40)

1/3 x log2(40)

1/3 x log2(8 x 5)

1/3 x (log2(8)+log2(5))

1/3 x (log2(2^3)+log2(5))

1/3 x (3+log2(5))

1+1/3 x log2(5) = 1.77398