Which of the following does not have a ratio of 2: 3: 4?
{8, 15, 2^4}
{2x, 3x, 4x}
{6m^2, 9m^2, 12m^2}

{8, 15, 2^4} does not have a ratio of 2:3:4
As it's simplest form would be: 8, 15, 16

In short, Your Answer would be Option A

Hope this helps!

Iwould think that the correct answer is 8.1