मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

How many significant figures are present in the 500.0? - Chemistry

Advertisements
Advertisements

प्रश्न

How many significant figures are present in the 500.0?

एका वाक्यात उत्तर
Advertisements

उत्तर

500.0 - There are 4 significant figures.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

How many significant figures are present in the 0.0025?


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


Round up the following upto three significant figures:

34.216


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

`(0.02856 xx 298.15 xx 0.112)/0.5785`


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

0.0125 + 0.7864 + 0.0215


A student measures the thickness of a human hair by looking at it through a microscope of magnification 100. He makes 20 observations and finds that the average width of the hair in the field of view of the microscope is 3.5 mm. What is the estimate on the thickness of hair?


You are given a thread and a metre scale. How will you estimate the diameter of the thread?


The length, breadth, and thickness of a rectangular sheet of metal are 4.234 m, 1.005 m, and 2.01 cm respectively. Give the area and volume of the sheet to correct significant figures.


Precise measurements of physical quantities are a need of science. For example, to ascertain the speed of an aircraft, one must have an accurate method to find its positions at closely separated instants of time. This was the actual motivation behind the discovery of radar in World War II. Think of different examples in modern science where precise measurements of length, time, mass etc. are needed. Also, wherever you can, give a quantitative idea of the precision needed.


It is a well known fact that during a total solar eclipse the disk of the moon almost completely covers the disk of the Sun. From this fact and from the information you can gather from examples 2.3 and 2.4, determine the approximate diameter of the moon.


State the number of significant figures in the following:

0.007 m2


State the number of significant figures in the following:

2.64 × 1024 kg


State the number of significant figures in the following:

0.2370 g cm–3


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.


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 ______.


How many significant figures are present in the measurement 2007 grams?


Which of the following measurements has exactly two significant figures?


The radius of Earth is written as 0.64 × 10⁷ m in scientific notation. What is its order of magnitude?


What is the least count of a measuring instrument?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×