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WorksheetsSignificant Digits and Calculations
Total questions: 35
Worksheet time: 1hrs 10mins
Significant digits contain all of the digits that are certain plus _____________ estimated digit(s).
0
1
2
3
Placeholder zero's _______________ significant.
are
are not
Significant digits are used in chemistry to show the _____________ of the measuring tool.
units
purpose
precision
How many significant digits are in 5.40 g?
(a)
How many significant digits are in 2.30 L?
(a)
How many significant digits are in 4500 mg
(a)
How many significant digits are in 1.000 g
(a)
How many significant digits are in 3200. ml
(a)
How many significant digits are in 0.070 m
(a)
How many significant digits are in 1.02 kg
(a)
How many significant digits are in 7070 mm
(a)
How many significant digits are in 0.0002 m
(a)
How many significant digits are in 1000 g
(a)
How do you correctly use significant digits to write 45,700 mm in scientific notation?
4.5700 x 104 mm
4.57 x 104 mm
4.57 x 103 mm
4.570 x 104 mm
How do you correctly use significant digits to write 0.009 kg in scientific notation?
9 x 10-4 kg
9.0 x 10-4 kg
9 x 10-3 kg
9.00 x 10-3 kg
How do you correctly use significant digits to write 230 g in scientific notation?
2.3 x 102 g
2.3 x 103 g
2.30 x 102 g
2.30 x 103 g
How do you correctly use significant digits to write 0.000665 km in scientific notation?
6.6500 x 10-3 km
6.6500 x 10-4 km
6.65 x 104 km
6.65 x 10-4 km
How do you correctly use significant digits to write 2.51 x 104 m in expanded (standard) notation?
2,510 m
25,100 m
251,000 m
251 m
How do you correctly use significant digits to write 1.10 x 10-3 m in expanded (standard) notation?
0.00110 g
0.0011 g
0.000110 g
0.00011 g
How do you correctly use significant digits to write 2.4212 x 107 nm in expanded (standard) notation?
2,421,200 nm
24,212 nm
24,212,000 nm
24,212,000,000 nm
How do you correctly use significant digits to write 9.0 x 10-2 kg in expanded (standard) notation?
0.009 kg
0.09 kg
0.90 kg
0.090 kg
There are (a) significant digits in 9.010 x 10-6 dg
There are (a) significant digits in 1.02 x 10-2 m
There are (a) significant digits in 1.2 x 103 mg
There are (a) significant digits in 3.05 x 104 cg
What is the answer expressed with the correct significant digits for: 4.5 ml + 2.34 ml?
6.84 ml
6.8 ml
6.840 ml
7 ml
What is the answer expressed with the correct significant digits for: 4.5 g - 3 g?
1.5 g
1.50 g
2 g
2.00 g
What is the answer expressed with the correct significant digits for: 6.00 cm + 3.411 cm?
9.41 cm
9.411 cm
9.4 cm
9 cm
What is the answer expressed with the correct significant digits for: 3.4 cm x 2.32 cm?
7.888 cm2
7.89 cm2
7.9 cm2
8 cm2
What is the answer expressed with the correct significant digits for:
7.77 g÷2.3 cm33.37826 g/cm3
3.38 g/cm3
3.4 g/cm3
3.378 g/cm3
What is the answer expressed with the correct significant digits for:
94.20 g÷3.16722 ml29.74 g/ml
29.742 g/ml
29.7 g/ml
29.74217 g/ml
What is the answer expressed with the correct significant digits for: 0.8102 m x 3.44 m x 2.06 m?
5.741401 m3
5.7414 m3
5.74 m3
5.741 m3
What is the answer expressed with the correct significant digits for: (2.31 x 103 mm2) / (3.1 x 102 mm)
7.45 mm3
7.5 mm2
7.5 mm
7.45 mm2
What is the answer expressed with the correct significant digits for: 78.5 g + 0.0021 g + 0.0099 g
78.512 g
78.51 g
78. g
78.5 g
What is the answer expressed with the correct significant digits for: 100.6 kg - 96.6 kg
4 kg
4.00 kg
4.0 kg
4.000 kg
