0
1000
1+ (1-2) + 1000
1 - 1 + 1000
1000 because 1/0.001*1000/1000=1000/1=1000
1 mm = 1/1000 of a metre
The milli- prefix means 1/1000
→ 1 mm = 1/1000 m
→ 1 m = 1000 × 1/1000 m = 1000 mm
→ 1mm/1m = (1 mm)/(1000 mm) = 1/1000
1% of 1000 is 10
-1/1000