Answer variants:
5030.804
80604.348
80064.3048
530.804
5030.84
80064.348
1. 8×104+6×102+4×100+3×10-1+4×10-2+8×10-3 \(=\)
 
2. 5×102+3×101+8×101+4×10-3 \(=\)