They are equivalent.
Chat with our AI personalities
400 mm = 40 cm
Yes, 4000 mm is bigger than 40 cm. To compare the two measurements, you need to convert them to the same unit. Since 1 cm is equal to 10 mm, 40 cm is equal to 400 mm. Therefore, 4000 mm is greater than 400 mm, making 4000 mm bigger than 40 cm.
There are 100 mm in a decimeter
420 mm is greater than 4.2 cm
The prefix deci- means 1/10, so a decimeter is 1/10 of a meter. The abbreviation mm stands for millimeter. The prefix milli- means 1/1000. So 1 meter is 1000 mm. A decimeter is therefore 1/10 of 1000 mm, or 100 mm. Answer 1 ======= Place two zeros after the one to change the 1 to a 100. Now cross out the decimeter and change it to mm. There, that does it. You had 1 decimeter, now you have 100 mm in its place.