"It is easy to use an exponent in a sentence." There, that sentence uses it!
in math we learned about a parelleogram.
Example sentence - He was at a young and tender age when he learned of his adoption.
Hypotenuse is something that I have learned in math class.
In times of yore, I learned this lore.
Yesterday, we learned what it meant to infringe a copyright.
We learned about area and perimeter in math class.
i learned how to play an instrument in elementery school
He received a clout on his face when she learned he was cheating on her.
In school our class learned about the Marina Trench.
it is a simile that can be learned in many ways
I learned my times table through rote memorization.