en_tn/deu/11/02.md

who have not known nor have they seen

"who have not experienced"

his mighty hand, or his outstretched arm

Here "mighty hand" and "outstretched arm" are metaphors for Yahweh's power. See how you translated these words in Deuteronomy 4:34. Alternate translation: "or his mighty power" (See: rc://en/ta/man/translate/figs-metaphor)