How many millimeters are in 3 km?

Answer 1

# 3Km= 3,000,000 mm #

The units from Biggest on the left to smallest on the right are:

#color(red)(Km)color(white)(xxx) Hmcolor(white)(xxx) Dmcolor(white)(xxx) color(red)(m) color(white)(xxx)dmcolor(white)(xxx) cmcolor(white)(xxx) color(red)(mm) #

The conversion factor between any of the adjacent units is 10.

#larr xx 10 and rarr div 10#

#Km xx1000rarr m xx 1000rarr mm# To convert big to small.

#Km larr 1000 div m larr 1000 div mm#To convert small to big.

When you convert a value to a bigger unit, the number gets smaller. (There are fewer of them.) This is done by dividing

When you convert a value to a smaller unit, the number gets bigger.(There are more of them.) This is done by multiplying.

Km is the biggest distance of the metric system. (Just more than half a mile.)

mm the smallest of the usual lengths in the metric system. (About 25 mm makes 1 inch)

To convert 3 Km to mm, write 3 under Km and fill in a 0 under each of the other units

#color(red)(Km)color(white)(xxx) Hmcolor(white)(xxx) Dmcolor(white)(xxx) color(red)(m) color(white)(xxx)dmcolor(white)(xxx) cmcolor(white)(xxx) color(red)(mm) #

#color(red)(3)color(white)(xxxxxx) 0color(white)(xxxxx) 0color(white)(xxxx) color(red)(0) color(white)(xxxx)0color(white)(xxxx) 0color(white)(xxxx) color(red)(0.) #

The decimal point shows what the unit is.

# 3Km= 3,000,000 mm #

#3Km xx 1000 rarr 3000m " then " xx1000 rarr 3,000,000mm#

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Answer 2

Roman Alvarez

There are 3,000,000 millimeters in 3 kilometers.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.