Question

1) 2678 cm into feet.

Answer 1

Set up multiplication/division of proportions to cancel out units that you don't want and to introduce units that you do want in your final solution...

2678cm(in/2.54cm)(ft/12in)=2678/30.48 ft≈87.86 ft  (to nearest hundredth)

Answer 2

2678 cm into feet is a total of 88 ft.