אֵֽרֲדָה־נָּ֣א וְאֶרְאֶ֔ה הַכְּצַעֲקָתָ֛הּ הַבָּ֥אָה אֵלַ֖י עָשׂ֣וּ ׀ כָּלָ֑ה וְאִם־לֹ֖א אֵדָֽעָה׃
Bababa nawa ako at titingnan ko kung ginawa nila nang lubusan ayon sa sigaw nito na dumating sa akin; at kung hindi, malalaman ko.
Shenei Luchot HaBerit
ארדה נא ואראה . G–d uses this expression both here before finalizing the decree to destroy Sodom and before deciding how to deal with the generation that built the Tower of Babel. Rashi's comment on this is most appropriate.