MCQ
Convert $3\ m\ 40\ cm$ into millimeters:
- A$7000\ mm$
- ✓$3400\ mm$
- C$4300\ mm$
- D$700\ mm$
We know that
$1$ meter $=100\ cm$
$1$ centimeter $=10$ millimeter
$1$ meter $=1000\ mm$
Given That, we have to convert $3\ m\ 40\ cm$ to millimeter
$40\ cm = 10 × 40\ mm$
$= 400$ millimeter And
$3\ m = 1000 × 3\ mm$
$= 3000$ millimeter
$3\ m\ 40\ cm = 3\ m + 40\ cm$
$= 3000\ mm + 400\ mm$
$= 3400 \ mm$
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