SIGNIFICANT FIGURES \& ROUNDING OFF
Units and Measurements

269130 When aforceisexpressed in dyne, the number of significant figures is four. If it is expressed in newton, the number of significant figures will become

1 9
2 5
3 1
4 4
\(\left(10^{2}\right.\) dyne \(\left.=1 \mathrm{~N}\right)\)
Units and Measurements

269131 \(\sqrt{2.0}\) is

1 1.414
2 1.4
3 1.0
4 1
Units and Measurements

269132 The mass of a box is\(2.3 \mathrm{~kg}\). Two marbles of masses \(2.15 \mathrm{~g}\) and \(12.48 \mathrm{~g}\) are added to \(\mathrm{it}\). The total mass of the box is

1 \(2.3438 \mathrm{~kg}\)
2 \(2.3428 \mathrm{~kg}\)
3 \(2.34 \mathrm{~kg}\)
4 \(2.31 \mathrm{~kg}\)
Units and Measurements

269170 2.34isobtained by rounding off the number

1 2.346
2 2.355
3 2.335
4 2.334
Units and Measurements

269130 When aforceisexpressed in dyne, the number of significant figures is four. If it is expressed in newton, the number of significant figures will become

1 9
2 5
3 1
4 4
\(\left(10^{2}\right.\) dyne \(\left.=1 \mathrm{~N}\right)\)
Units and Measurements

269131 \(\sqrt{2.0}\) is

1 1.414
2 1.4
3 1.0
4 1
Units and Measurements

269132 The mass of a box is\(2.3 \mathrm{~kg}\). Two marbles of masses \(2.15 \mathrm{~g}\) and \(12.48 \mathrm{~g}\) are added to \(\mathrm{it}\). The total mass of the box is

1 \(2.3438 \mathrm{~kg}\)
2 \(2.3428 \mathrm{~kg}\)
3 \(2.34 \mathrm{~kg}\)
4 \(2.31 \mathrm{~kg}\)
Units and Measurements

269170 2.34isobtained by rounding off the number

1 2.346
2 2.355
3 2.335
4 2.334
Units and Measurements

269130 When aforceisexpressed in dyne, the number of significant figures is four. If it is expressed in newton, the number of significant figures will become

1 9
2 5
3 1
4 4
\(\left(10^{2}\right.\) dyne \(\left.=1 \mathrm{~N}\right)\)
Units and Measurements

269131 \(\sqrt{2.0}\) is

1 1.414
2 1.4
3 1.0
4 1
Units and Measurements

269132 The mass of a box is\(2.3 \mathrm{~kg}\). Two marbles of masses \(2.15 \mathrm{~g}\) and \(12.48 \mathrm{~g}\) are added to \(\mathrm{it}\). The total mass of the box is

1 \(2.3438 \mathrm{~kg}\)
2 \(2.3428 \mathrm{~kg}\)
3 \(2.34 \mathrm{~kg}\)
4 \(2.31 \mathrm{~kg}\)
Units and Measurements

269170 2.34isobtained by rounding off the number

1 2.346
2 2.355
3 2.335
4 2.334
Units and Measurements

269130 When aforceisexpressed in dyne, the number of significant figures is four. If it is expressed in newton, the number of significant figures will become

1 9
2 5
3 1
4 4
\(\left(10^{2}\right.\) dyne \(\left.=1 \mathrm{~N}\right)\)
Units and Measurements

269131 \(\sqrt{2.0}\) is

1 1.414
2 1.4
3 1.0
4 1
Units and Measurements

269132 The mass of a box is\(2.3 \mathrm{~kg}\). Two marbles of masses \(2.15 \mathrm{~g}\) and \(12.48 \mathrm{~g}\) are added to \(\mathrm{it}\). The total mass of the box is

1 \(2.3438 \mathrm{~kg}\)
2 \(2.3428 \mathrm{~kg}\)
3 \(2.34 \mathrm{~kg}\)
4 \(2.31 \mathrm{~kg}\)
Units and Measurements

269170 2.34isobtained by rounding off the number

1 2.346
2 2.355
3 2.335
4 2.334