Which formula would you use to round the number in cell b5 to the nearest 10

There is a paper clip button you click that to add a photo

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Ibelieve the answer is: b.  use a different transition for every slide to keep the audience's attentiona. that would make it boringc. sound effects might be distracting and some people might find it annoyingi hope that : ) 

Something the don't have a lot of