The sum of the numbers $$436.32,227.2,$$ and $$0.301$$ in the appropriate significant figures is:

 1 $$663.821$$ 2 $$664$$ 3 $$663.8$$ 4 $$663.82$$
Subtopic: Â Significant Figures |
Â 66%
From NCERT
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The area of a rectangular field (in $$\mathrm{m^2}$$) of length $$55.3$$ m and breadth $$25$$ m after rounding off the value, for correct significant digits is:
1. $$14\times10^{2}$$
2. $$138\times10^{1}$$
3. $$1382$$
4. $$1382.5$$
Subtopic: Â Significant Figures |
Â 59%
From NCERT
NEET - 2022
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The radius of a circle is stated as $$2.12$$ cm. Its area should be written as:
1. $$14\mathrm{~cm^2}$$
2. $$14.1\mathrm{~cm^2}$$
3. $$14.11\mathrm{~cm^2}$$
4. $$14.1124\mathrm{~cm^2}$$

Subtopic: Â Significant Figures |
Â 71%
From NCERT
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The mass and volume of a body are $$4.237~\text{grams}$$ and $$2.5~\text{cm}^3$$, respectively. The density of the material of the body in correct significant figures will be:
1. $$1.6048~\text{grams cm}^{-3}$$
2. $$1.69~\text{grams cm}^{-3}$$
3. $$1.7~\text{grams cm}^{-3}$$
4. $$1.695~\text{grams cm}^{-3}$$

Subtopic: Â Significant Figures |
Â 84%
From NCERT
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The numbers $$2.745$$ and $$2.735$$ on rounding off to $$3$$ significant figures will give respectively,

 1 $$2.75$$  and $$2.74$$ 2 $$2.74$$  and $$2.73$$ 3 $$2.75$$ and $$2.73$$ 4 $$2.74$$ and $$2.74$$
Subtopic: Â Significant Figures |
Â 68%
From NCERT
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Each side of a cube is measured to be $$7.203~\text{m}$$. What are the total surface area and the volume respectively of the cube to appropriate significant figures?

 1 $$373.7~\text{m}^2$$ and $$311.3~\text{m}^3$$ 2 $$311.3~\text{m}^2$$ and $$373.7~\text{m}^3$$ 3 $$311.2992~\text{m}^2$$ and $$373.7147~\text{m}^3$$ 4 $$373.7147~\mathrm{m^2}$$ and $$311.2992~\text{m}^3$$
Subtopic: Â Significant Figures |
Â 78%
From NCERT
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Taking into account the significant figures, what is the value of $$(9.99~\text{m}-0.0099~\text{m})$$?

 1 $$9.98$$ m 2 $$9.980$$ m 3 $$9.9$$ m 4 $$9.9801$$ m
Subtopic: Â Significant Figures |
Â 70%
From NCERT
NEET - 2020
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In which of the following, the number of significant figures is different from that in the others?
1. $$2.303~\text{kg}$$
2. $$12.23~\text{m}$$
3. $$0.002\times10^{5}~\text{m}$$
4. $$2.001\times10^{-3}~\text{kg}$$

Subtopic: Â Significant Figures |
Â 88%
From NCERT
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If $$97.52$$ is divided by $$2.54$$, the correct result in terms of significant figures is:

 1 $$38.4$$ 2 $$38.3937$$ 3 $$38.394$$ 4 $$38.39$$
Subtopic: Â Significant Figures |
Â 73%
From NCERT
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A thin wire has a length of $$21.7~\text{cm}$$ and a radius of $$0.46~\text{mm}$$. The volume of the wire to correct significant figures is:

 1 $$0.15~ \text{cm}^3$$ 2 $$0.1443~ \text{cm}^3$$ 3 $$0.14~ \text{cm}^3$$ 4 $$0.144 ~\text{cm}^3$$
Subtopic: Â Significant Figures |
Â 64%
From NCERT
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