Question #29e52

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Answer 1 · 2018-01-12T03:28:43

#"280 mm"#

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"#.