These are decimal numbers, and dots above some of the digits make them recurring decimals. One dot means the digit under it repeats infinitely. In other words, it goes on forever (and ever and ever).
How to convert from standard form to an ordinary number For example, 300 in standard form would be 3 x 10². A = 3 and n = 2 The integer power of ten is positive for numbers greater than 10 and ...
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