No.
Tween
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Yes! A tween is a boy/girl ages 10-12. There is also a tweenager category :) of course, it is called tween from "between". Between a kid and a teen so its tween. Once you turn 13, then your a teenager. And, trust me! lol, im 13 and being a teenager can really STINK sometimes :D
To create a shape tween in Macromedia Flash 8, first, draw the initial shape on the first keyframe of a new layer. Next, create another keyframe on the same layer by right-clicking and selecting "Insert Keyframe" or pressing F6. Modify the shape in the second keyframe as desired. Finally, right-click between the two keyframes and select "Create Shape Tween" to generate the transition between the shapes.
A number between 0 and 1 is a fraction.
yes, nothing prevents you from having exponents that also have exponents. In the case that you ask about, of ten to the ten to the ten, that would be better expressed as ten to the ten billion, or 1010,000,000,000.