(7×2²)²×(4×5²)² bantuin ya guys

(7x4)^2 x (4x25)^2
=28^2 x 100^2
Operasiin sendiri

(7×2²)²×(4×5²)²
= 7²×2⁴×4²×5⁴
= 49 × 16 × 16 × 625
= 7840000
= 2800²