At the start you have 7 things then six, then five, then four.
Combination of 7x6x5x4=840
-1285 + 750 = -535 porque el está pagando 750 el balance que le queda es -535
Answer: 8√2 decimal form 11.3
Step-by-step explanation: √128=√16×√8→4×√4×√2=8√2 . 11.3 in decimal form