Mathematical Operations using Scientific Notation

Significant figures Is a method of keeping track of how well or how poorly something. ... division. When . adding ... You know all the added numbers to. 21.765 3.45 + 2.842. 28.057 The calculator assumes the digit after the 5 in 3.45 is a zero. But it could be any thing from 1 to 9, therefore the seven in. ................
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