https://photomath.net/s/6O312e
^ that link will show you step by step and explain it, rather than writing a whole paragraph, Hope that helps:)
Answer:
4cm
Step-by-step explanation:
40÷10=4 and each dm is 10 km
212134568899999999love is love
$4.25
21.25/5 = 4.25
i cant view it