In Windows Movie Maker, I would suggest using the Auto Movie feature to add effects automatically to 280 slides.
Fill Effects
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custom animation.
Power point 2007 started to add various new effects. The animations between slides can be done by 2007.
First you calculate the 15% of 280: 15*280/100=42 Than, 280+42=322
323
.41 + 21.4 + 6.3 + 280 = 308.11
design
Powerpoint creates presentations by using slides. Onto those slides you can add all sorts of things like text, images, video, sound and other things. You can create many effects, like animations and transitions. You can then connect up to a projector to show your presentation.
Start by multiplying 280 with 9 and divide by 5. Then add 32 to the answer. In this case the answer is 536 degree Fahrenheit .
In Microsoft PowerPoint, the Slide Sorter view displays a miniature of each slide making it easy to reorder slides, add special effects and transitions, and set timing between the slides.
If you are asking "How do you Add and Delete Slides" in Microsoft Office PowerPoint, you simply right click on the desired slide in the slide viewer menu to the left of the page and select "New Slide" or "Delete Slide".