Answer:
9^9
Step-by-step explanation:
9^7×9^2
9^7+^2
^7+^2=9
9⁹
both bases are 9 thus the base stays the same
9=?
since we're multiplying we are gonna add the powers:
⁷+²=⁹
thus...
9⁷×9²
=9⁹
Hope this helped you- have a good day bro cya)