Hi, can anyone explain to me why 900 (or any similar numbers) can be given as one, two or three significant figures? I don't get it.
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900 may be written in scientific notation as $\displaystyle 90X10^1$ $\displaystyle 9X10^2$
Also 900 to three sig figs is 900. <--A decimal point, not a period. -Dan PS Also, to 1 fig we have 9 x 10^2 For 2 fig we have 9.0 x 10^2 For 3 fig we have 9.00 x 10^2 Also the 90 x 10^1 has only has 1 sig fig
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