Question

convert 21mm into m with explanation.. please anyone help me​

Answer 1

1cm is equal to 10 mm

so, 21 mm is equal to

21 divided by 10

is equal to 2cm and 1mm

Answer 2

Answer:

1cm = 10mm

100cm = 1m

1000m = 1km

So, coming to the question

21mm = $\frac{21}{10}$ = 2.1cm

2.1cm = $\frac{2.1}{100}$ = 0.021m

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<HOPE IT HELPS>