please help mnhdgftyuioksd

Answer:
Step-by-step explanation:
You'll need to remember that 1 m = 100 cm.
Then 4 m = 4(100 cm) = 400 cm.
4 m is never equal to 20 cm
Please don't detract from this opportunity to ask a question by typing irrelevant things such as "mnhdgftyuioksd."