Question

If 2^3 × 2^4 = 2^X, then X =_____________________​

Answer 1

$\rm{2^3\times \:2^4=2^x}\longrightarrow\rm{2^{3+4}=2^x}$

$\longrightarrow\rm{2^{7}=2^x}\longrightarrow\rm{x=7\quad...Since\:f\left(x\right)=g\left(x\right)\:when\:a^{f\left(x\right)}=a^{g\left(x\right)}}$