Respuesta :

Krystal12492

Answer:

294

Step-by-step explanation:

7 to the third power is 7x7x7 which equals 343

7 to the second power is 7x7 which equals 49

343-49=294

texaschic101

Answer:

Step-by-step explanation:

7(7^3 - 7^2) =

7(343 - 49) =

7(294) =

2058 <===