Question

Find $x$ in the expression $(18{)}^{3.5}÷(27{)}^{3.5}\times 6^{3.5}=2^x$

Answer 1

$\frac{{18}^{3.5}}{{27}^{3.5}}\times 6^{3.5}=(\frac{18\times 6}{27}{)}^{3.5}=(4{)}^{3.5}=2^7=2^x$

$x=7$