[tex]\text{Hi there! :)}[/tex]
[tex]\large\boxed{= 12^{18} }[/tex]
[tex]12^{3} * 12^{9} * 12^{4}* 12^{2}[/tex]
[tex]\text{ Use the exponent multiplication rule.}\\[/tex]
[tex]\text{When multiplying, add the exponents:}[/tex]
[tex]12^{3 + 9 + 4 + 2}[/tex]
[tex]\text{Simplify:}[/tex]
[tex]= 12^{18}[/tex]
