Question Number 33157 by Rio Mike last updated on 11/Apr/18
$${find}\:{k}\:{if} \\ $$$${kloga}=\:{loga}\:+\:{log}\:{a}^{\mathrm{2}} +\:{log}\:{a}^{\mathrm{3}\:} +\:{log}\:{a}^{\mathrm{4}} \\ $$
Commented by Joel578 last updated on 11/Apr/18
$$\mathrm{log}\:{a}^{{m}} \:=\:{m}\:.\:\mathrm{log}\:{a} \\ $$$$ \\ $$$${k}\:\mathrm{log}\:{a}\:=\:\mathrm{log}\:{a}\:+\:\mathrm{2}\:\mathrm{log}\:{a}\:+\:\mathrm{3}\:\mathrm{log}\:{a}\:+\:\mathrm{4}\:\mathrm{log}\:{a} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:\mathrm{10}\:\mathrm{log}\:{a} \\ $$$${k}\:=\:\mathrm{10} \\ $$