There is one signature figure in the number 1.
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∙ 12y ago1 of them.
1
Seven
1 of them.
1 of them.
1 of them.
1 of them.
The number of significant figures is one.
1
1 of them.
Seven
1 of them.
1 of them.
The number 20000 only has 1 significant figure.
There are four significant figures in 625,000. The zeros in the middle of the number are considered significant because they help pinpoint the magnitude of the number.
6 significant figures.
2 of them.