MCQ
Convert $3\ km\ 4\ m\ 350\ cm$ into centimetres:
- A$10750\ cm$
- B$3750\ cm$
- C$30750\ cm$
- ✓$300750\ cm$
✓
Answer
Correct option: D.
$300750\ cm$
We know that, $1$ kilometer $= 1000\ m$
$1$ meter $= 100\ cm$ or $1$ kilometer $= 100,000\ cm$
To convert $3\ km\ 4\ m\ 350\ cm$ to centimeter
$3\ km\ 4\ m\ 350\ cm = 3\ km + 4 \ m + 350\ cm$
$3\ km = 100000 \times 3\ cm = 300000$
$4\ m = 100 \times 4\ cm = 400\ cm$
$\therefore 3\ km\ 4\ m\ 350\ cm = 3\ km + 4\ m + 350\ cm = (300000 + 400 + 350)\ cm$
$= 300750\ cm$
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