04. Significant Figures
Units and Measurements

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 \(\mathbf{~ m m}\), then the lease count of the microscope is

1 \(0.01 \mathrm{~mm}\)
2 \(0.5 \mathrm{~cm}\)
3 \(0.01 \mathrm{~cm}\)
4 \(0.5 \mathrm{~mm}\)
Units and Measurements

269262 Three pieces of silver have masses \(2.3 \mathbf{k g}\), \(41.15 \mathrm{~g}\) and \(30.19 \mathrm{~g}\). Thetotal mass of correct significant figures is ( in \(\mathrm{kg}\) )

1 \(2.37032\)
2 \(2.370\)
3 \(2.37\)
4 \(2.4\)
Units and Measurements

269263 The sum of the given two numbers with regard to significant figures is
\(\left(5.0 \times 10^{-8}\right)+\left(4.5 \times 10^{-6}\right)=\)

1 \(4.55 \times 10^{-6}\)
2 \(4.5 \times 10^{-6}\)
3 \(4.6 \times 10^{-6}\)
4 \(4 \times 10^{-6}\)
Units and Measurements

269264 The dimensions of a wooden block are 1. \(1 \mathrm{~m} \times 2.36 \mathrm{~m} \times 3.1 \mathrm{~m}\). The number of significant figures in its volume should be

1 1
2 2
3 3
4 4
Units and Measurements

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 \(\mathbf{~ m m}\), then the lease count of the microscope is

1 \(0.01 \mathrm{~mm}\)
2 \(0.5 \mathrm{~cm}\)
3 \(0.01 \mathrm{~cm}\)
4 \(0.5 \mathrm{~mm}\)
Units and Measurements

269262 Three pieces of silver have masses \(2.3 \mathbf{k g}\), \(41.15 \mathrm{~g}\) and \(30.19 \mathrm{~g}\). Thetotal mass of correct significant figures is ( in \(\mathrm{kg}\) )

1 \(2.37032\)
2 \(2.370\)
3 \(2.37\)
4 \(2.4\)
Units and Measurements

269263 The sum of the given two numbers with regard to significant figures is
\(\left(5.0 \times 10^{-8}\right)+\left(4.5 \times 10^{-6}\right)=\)

1 \(4.55 \times 10^{-6}\)
2 \(4.5 \times 10^{-6}\)
3 \(4.6 \times 10^{-6}\)
4 \(4 \times 10^{-6}\)
Units and Measurements

269264 The dimensions of a wooden block are 1. \(1 \mathrm{~m} \times 2.36 \mathrm{~m} \times 3.1 \mathrm{~m}\). The number of significant figures in its volume should be

1 1
2 2
3 3
4 4
Units and Measurements

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 \(\mathbf{~ m m}\), then the lease count of the microscope is

1 \(0.01 \mathrm{~mm}\)
2 \(0.5 \mathrm{~cm}\)
3 \(0.01 \mathrm{~cm}\)
4 \(0.5 \mathrm{~mm}\)
Units and Measurements

269262 Three pieces of silver have masses \(2.3 \mathbf{k g}\), \(41.15 \mathrm{~g}\) and \(30.19 \mathrm{~g}\). Thetotal mass of correct significant figures is ( in \(\mathrm{kg}\) )

1 \(2.37032\)
2 \(2.370\)
3 \(2.37\)
4 \(2.4\)
Units and Measurements

269263 The sum of the given two numbers with regard to significant figures is
\(\left(5.0 \times 10^{-8}\right)+\left(4.5 \times 10^{-6}\right)=\)

1 \(4.55 \times 10^{-6}\)
2 \(4.5 \times 10^{-6}\)
3 \(4.6 \times 10^{-6}\)
4 \(4 \times 10^{-6}\)
Units and Measurements

269264 The dimensions of a wooden block are 1. \(1 \mathrm{~m} \times 2.36 \mathrm{~m} \times 3.1 \mathrm{~m}\). The number of significant figures in its volume should be

1 1
2 2
3 3
4 4
Units and Measurements

139949 The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale division. If each main scale division is 0.5 \(\mathbf{~ m m}\), then the lease count of the microscope is

1 \(0.01 \mathrm{~mm}\)
2 \(0.5 \mathrm{~cm}\)
3 \(0.01 \mathrm{~cm}\)
4 \(0.5 \mathrm{~mm}\)
Units and Measurements

269262 Three pieces of silver have masses \(2.3 \mathbf{k g}\), \(41.15 \mathrm{~g}\) and \(30.19 \mathrm{~g}\). Thetotal mass of correct significant figures is ( in \(\mathrm{kg}\) )

1 \(2.37032\)
2 \(2.370\)
3 \(2.37\)
4 \(2.4\)
Units and Measurements

269263 The sum of the given two numbers with regard to significant figures is
\(\left(5.0 \times 10^{-8}\right)+\left(4.5 \times 10^{-6}\right)=\)

1 \(4.55 \times 10^{-6}\)
2 \(4.5 \times 10^{-6}\)
3 \(4.6 \times 10^{-6}\)
4 \(4 \times 10^{-6}\)
Units and Measurements

269264 The dimensions of a wooden block are 1. \(1 \mathrm{~m} \times 2.36 \mathrm{~m} \times 3.1 \mathrm{~m}\). The number of significant figures in its volume should be

1 1
2 2
3 3
4 4