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WorksheetsSig Fig Review
Total questions: 10
Worksheet time: 5mins
How many significant figures are in the following number? 100.05
2
3
4
5
How many sig figs are in 200,000,000?
1
3
9
Which of the following numbers has 4 sig figs?
2,000
20.00
2,010
0.0020
Avogadro's number is -- and has how many sig figs?
6.02 x 1023, 24 sig figs
6.02 x 1023, 3 sig figs
6.02 x 1023, 23 sig figs
6.02 x 1023, 2 sig figs
R, the ideal gas constant, has how many sig figs? 0.0821
5
4
3
2
How many sig figs are in 0.04500?
6
5
4
2
A student measures a volume of 100 mL in an Erlenmeyer flask. How many sig figs are in this measurement? And which piece of equipment could this student use to be more precise?
1; graduated cylinder
3; graduated cylinder
1; beaker
3; beaker
Determine the density of an object with a mass of 10 grams and a volume of 5.00 mL.
2.00 g/mL
2.0 g/mL
2 g/mL
0.5 g/mL
Which of the following numbers have 3 sig figs?
0.00301
0.00300
300
300.
Which of the following numbers does not have 2 sig figs?
20.0
0.0020
20
24,000
