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Level 15

Significant Figures


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Ignore?
1
100
3
100.
5
100.00
1
30
2
30.
3
30.0
2
14
1
6
3
184
4
75.00
3
405
4
405.0
3
3,02
4
5,200.
2
2,8
1
500
3
10,1
1
0.05
2
0.0040
2
0.035
3
0.0402
2
0.40
2
0.0032
2
0.010
4
0.05030
2
210
2
34
3
910.
2
0.0080
2
6,5
1
90
3
5.24×105
4
9.813×10³
2
2.0×10?4
1
8×10³
3
7.34×10?²
The number of SIGNIFICANT FIGURES a number has is
the total number of DIGITS that are used to represent it accurately
563.4?
4
1255.33?
6
47.808?
5
77?
2
77.0?
3
0.6789?
4
85.7007?
6
300.9?
4
50.087?
5
57000?
2
3
27 800?
2
1 400 000?
5
72 008?
5
55 608 000?
5
9 021 800?
5
56 709 000?
7000?
1
5
679 080?
When are zeros SIGNIFICANT?
In BETWEEN other digits
2
0.00044
6
1.007 98
3
0.006 03
6
1.007 89
4
340.0
4
0.7800
6.04400
6
6060.060
7