PLEASE HELP ME EVERYONE HAS GOTTEN THIS WRONG ITS GONNA SUBMIT IN 15 MIN PLS HELP THANK YOU

Answer:
for the first one its 6912 > 1728
Step-by-step explanation:
3 to the 3rd power times 4 to the 4th power is more than 12 to the 3rd power. i dont have time to do the other 2! sorry!!