To insert a picture into a presentation, the picture must be saved in a(n) ____________________ that PowerPoint can recognize.

You can ________, or pull out, one or more pieces of a pie chart for emphasis

Fill in the blank(s) with correct word

When it is not known in advance how many times a set of statements will be repeated, a(n) ______ value can be used to terminate the repetition.

Fill in the blank(s) with the appropriate word(s).