Significant Figures Practice

How many significant figures are in the measurement 102.400 meters?
1. three
2. four
3. five
4. six
How many significant figures are in the measurement 0.00130 cm?
1. two
2. three
3. four
4. five
How many significant figures are in the measurement 1.3000 meters?
1. two
2. three
3. four
4. five
Solve: 1.23 m x 0.89 m = ?
1. 1.0947 m²
2. 1.09 m²
3. 1.0 m²
4. 1.1 m²
Solve: 123 000 m x 3 234 m = ?
1. 3.98 x 10⁸ m²
2. 398 m²
3. 3.97 x 10^-7 m²
4. 39800000 m²
Solve: 923 g divided by 20 312 cm³ = ?
1. 0.04 g/cm³
2. 0.045 g/cm³
3. 0.0454 g/cm³
4. 4.00 x 10^-2 g/cm³
When performing the calculation 34.530 g + 12.1 g + 1 222.34 g, the final answer must have:
1. Three significant figures
2. Units of g³
3. Only one decimal place
4. Three decimal places
Solve: 3.12 g + 0.8 g + 1.033 g = ?
1. 4.953 g
2. 5.0 g
3. 5 g
4. 4.9 g
Solve: 13.004 m + 3.09 m + 112.947 m = ?
1. 129 m
2. 129.041 m
3. 129.0 m
4. 129.04 m
Solve: 345.009 g - 23.009 g = ?
1. 322.000 g
2. 322.00 g
3. 322 g
4. 322
Convert the following measurement to scientific notation: 101 000 grams
1. 1.01000 x 10⁵ g
2. 1.0100 x 10^-5 g
3. 10.1 x 10⁴ g
4. 1.01 x 10⁵ g
Round the following measurement to three significant figures: 0.90985 cm²
1. 0.909 cm²
2. 0.91 cm²
3. 0.910 cm²
4. 0.9099 cm²
Complete the following problem: A piece of stone has a mass of 24.595 grams and a volume of 5.34 cm³. What is the density of the stone? (remember that density = m/v)
1. 4.61 g/cm³
2. 4.606 g/cm³
3. 0.22 cm³/g
4. 0.217 cm³/g
Subtract: 7.987 m - 0.54 m
1. 7.4 m
2. 7.45 m
3. 7.447 m
4. 7.5 m
The mass of a watch glass was measured four times. The masses were 99.997 g, 100.008 g, 100.011 g, and 100.005 g. What is the average mass of the watch glass?
1. 100.005 g
2. 100.0 g
3. 100.01 g
4. 100.00525 g
The volume of liquid being measured in the graduated cylinder is:
1. 8.50 cm³
2. 8.0 cm³
3. 8.00 cm³
4. 8.000 cm³
The length of the red line measured here is:
1. 5.5 cm
2. 5.7 cm
3. 5.65 cm
4. 5.712 cm
When measuring the length of this red line with the metric ruler provided, the first decimal place that is uncertain is:
1. tenths of a centimeter
2. hundredths of a centimeter
3. thousandths of a centimeter
4. meters
The arrow denotes the measured point:
1. 2.8 cm
2. 2.53 cm
3. 2.80 cm
4. 2.530 cm
The length of this miniature piezo electric motor is:
1. 8.0 cm
2. 8.0 mm
3. 7.98 mm
4. 7.99 m

Significant Figures Practice

Multiple-choice exercise