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Round up the following upto three significant figures: 0.04597

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प्रश्न

Round up the following upto three significant figures:

0.04597

एक शब्द/वाक्यांश उत्तर
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उत्तर

0.0460

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पाठ 1: Some Basic Concepts of Chemistry - EXERCISES [पृष्ठ २७]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 11
पाठ 1 Some Basic Concepts of Chemistry
EXERCISES | Q 1.20 - (iii) | पृष्ठ २७

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संबंधित प्रश्‍न

How many significant figures are present in the 126,000?


Round up the following upto three significant figures:

34.216


Round up the following upto three significant figures:

2808


How many significant figures should be present in the answer of the following calculation?

0.0125 + 0.7864 + 0.0215


The mass of a box measured by a grocer’s balance is 2.300 kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box. What is

  1. What is the total mass of the box?
  2. What is the difference in the masses of the pieces to correct significant figures?

State the number of significant figures in the following:

2.64 × 1024 kg


Describe what is meant by significant figures.


Solve the numerical example.

The diameter of a sphere is 2.14 cm. Calculate the volume of the sphere to the correct number of significant figures.


Answer the following question.

Describe what is meant by order of magnitude.


Which of the following has the highest number of significant figures?


The radius of the circle is 3.12 m. Calculate the area of the circle with regard to significant figures.


The length and breadth of a rectangular sheet are 16.2 cm and 10.1cm, respectively. The area of the sheet in appropriate significant figures and error is ______.


Why do we have different units for the same physical quantity?


Calculate the length of the arc of a circle of radius 31.0 cm which subtends an angle of `pi/6` at the centre.


Significant figures in a measurement include which of the following?


The arithmetic mean of three measurements, 15.4 cm, 15.4 cm, and 15.5 cm, is 15.43 cm. How many significant figures does this result have?


How many significant figures are there in the number 0.001405?


Which of the following numbers has 4 significant figures?


The radius of Earth is expressed as 0.64 × 10⁷ m in scientific notation. What is its order of magnitude and number of significant figures?


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