Question

3 dm+ 4cm + 5mm equal to​

Answer 1

Answer:

3dm = 300mm

4cm = 40mm

5mm = 5mm

Therefore 300 + 40 + 5

=345mm

Answer 2

The correct answer is "345 mm".

Step-by-step explanation:

$Given :\\3 \ dm+4 cm+5 \ mm=?\\So,\\3 \ dm=3\times 100\\3 \ dm=300 \ mm\\\\4 \ cm=4\times 10\\4 \ cm=40 \ mm\\\\5 \ mm\\\\Now,\\=3 \ dm+4 \ cm+5 \ cm\\=300+40+5\\=345 \ mm$

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https://brainly.in/question/1692786