35 terms

Sig fig

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Terms in this set (...)

654.7000
7
282000
3
9873
4
67.8000
6
55.000
5
900
1
987009
6
0.009
1
0.008270
4
7.0700 e-4
5
6472.0
5
98090
4
52.4500
6
4.105200 e 8
7
9800
2
9.904
4
3465.0
5
2.90 e 4
3
0.2000
4
7200.00
6
Change 72000 so that it has 3 sig figs
7.20 e4
1.99 so it has 2 sig figs
2.0
Chang165780000 so that is have 4 sig figs
1.658 e 8
1.2 x 11.3 x 13.56 / 19.393 = answer should have how many sig figs
2
When do captive zeros count
Always
When do trailing zeros count?
Only when the number contains a decimal point
Convert 15000 so that is has three sig figs
1.50 e 4
Convert 0.0056301 so that it has 3 sig figs
5.63 e-3
Do leading zeros count if there is a decimal.
No, leading zeros never count
How may sig figs are in 1.090 e-18
4
How many sig figs are in 5.0000 e -5
5
Which number in a measurement is always the estimated number?
The last.
Is the estimated number significant
yes
Which is a more precise measurement, 5.6 or 5.60?
5.60 because it has more digits after the decimal.
Which is a more precise measurement, 1.32 e5 or 1.3200 e5
1.3200 e5