Which is larger?
40 mm ⬜ 5 cm
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Which is larger?
40 mm ⬜ 5 cm
To determine which measurement is larger, we'll convert the measurement in centimeters to millimeters to make a direct comparison:
Using the conversion ratio, 1 cm = 10 mm, we find:
Now we compare 40 mm and 50 mm:
is less than .
Therefore, 40 mm is less than 5 cm when both are expressed in millimeters.
So the correct answer is:
Convert to meters:
\( 40 \) cm
You can't compare the numbers alone because they represent different units! It's like comparing 40 pennies to 5 dollars - the units matter. Always convert to the same unit first.
Not necessarily! You can convert either way. Convert 5 cm to 50 mm OR convert 40 mm to 4 cm. Both methods work - just pick one and stick with it.
Think of it this way: milli means "one thousandth," so millimeters are smaller. There are 10 millimeters in 1 centimeter - just like 10 dimes in 1 dollar!
Pick the unit that makes sense to you! If you're more comfortable with millimeters, convert everything to mm. If centimeters feel easier, convert everything to cm. Either way works perfectly.
Absolutely! Converting 40 mm to centimeters gives you 4.0 cm. Then compare: . Same answer, different approach!
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