Question #29e52

1 Answer
Dr. S · Stefan V.
Jan 12, 2018

#"280 mm"#

Explanation:

The order is such:

#"dm " > " cm " > " mm"#

#"1 dm = 10 cm = 100 mm"#

From this, you know that

#"1 dm = 100 mm"#

In other words, to go from #"dm"# to #"mm"# you must multiply the number of #"dm"# by #100#.

Knowing this, we do #"2.8 dm" xx 100#, which gives you #"280 mm"#.

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