Question Number 139656 by mohammad17 last updated on 30/Apr/21
$${if}\:\:^{\mathrm{4}} \mathrm{2}=\mathrm{2}^{{x}} \:\:{find}\:{x} \\ $$
Commented by mr W last updated on 30/Apr/21
$${what}\:{is}\:^{\mathrm{4}} \mathrm{2}? \\ $$
Commented by mohammad17 last updated on 30/Apr/21
$$\:^{{n}} {a}={a}^{{a}^{{a}^{{a}} } } ={a}^{{n}\left({times}\right)} \\ $$
Commented by mr W last updated on 30/Apr/21
$${you}\:{mean}\:{then} \\ $$$$\mathrm{2}^{\mathrm{2}^{\mathrm{2}^{\mathrm{2}} } } =\mathrm{2}^{{x}} \\ $$$$\Rightarrow{x}=\mathrm{2}^{\mathrm{2}^{\mathrm{2}} } =\mathrm{16} \\ $$
Commented by greg_ed last updated on 30/Apr/21
$$\left.:\right) \\ $$
Commented by mohammad17 last updated on 30/Apr/21
$${yes}\:{sir}\:{thank}\:{you} \\ $$