Numbers that use dots are typically represented in decimal form, where a dot (or decimal point) separates the whole number part from the fractional part. For instance, in the number 3.14, the dot indicates that 3 is the whole number and 14 is the fractional part. Additionally, in mathematical notation, dots can represent multiplication, as in 2 ⋅ 3 = 6.
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The letter A in braille uses a single dot in the upper left corner of the braille cell. All other braille letters use 2 or more dots.
To check if your number is a square number, draw little dots. like, for 4 it will 2 dots by 2 dots. if this doesn't work equally, it is not a square number.
A die has dots to represent numbers and a number cube has actual numbers. Or, depending on what kind of number cube it is, it might just be the same thing.
Braille.
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