Question

Which expressions have a value of 128 when x = 4? Select the two correct expressions. 6 XIN x 4 (2x) d 4x3 8x2

Answer 1

`\begin{gathered} (4^4)/(2)=(256)/(2)=128\text{ (option b)} \\ 8\cdot4^2=8\cdot16=128\text{ (option e)} \end{gathered}`