Respuesta :

Answer:

your ans is 282475249

Step-by-step explanation:

give this answer brilliant

Answer:

282475249

Step-by-step explanation:

frist simplify numbers in bracket
=7^2 (7^4 * 7^4)
=7^2 (7^8)
=7^10
=7*7*7*7*7*7*7*7*7*7
=282475249