Determining Number of Significant Figures (Sig Figs)
1.All non-zero numbers are significant. 6924 has four sig figs.
2.Leading zeros are not significant. 0.0003679 has four sig figs.
3.Zeros between other significant figures are significant. 0.00041092 has five sig figs.
4.Trailing zeros are significant if there is a decimal. 0.046802000 has eight sig figs.
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The significant figure of a number refers to the non-zero digits and any zeros that are between them or at the end of the number. In the number 257166, the first significant figure is 2, as it is the first non-zero digit in the number.
There are 4 significant figures in the given number.
1 of them.
Four - all nonzero numbers are significant.
It is: 7000 rounded to 1 significant figure