हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान कक्षा ११

How many significant figures are present in the 0.0025? - Chemistry

Advertisements
Advertisements

प्रश्न

How many significant figures are present in the 0.0025?

एक पंक्ति में उत्तर
Advertisements

उत्तर

0.0025 - There are 2 significant figures.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

What do you mean by significant figures?


How many significant figures are present in the 208?


How many significant figures are present in the 5005?


How many significant figures are present in the 500.0?


Round up the following upto three significant figures:

10.4107


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?


The photograph of a house occupies an area of 1.75 cm2on a 35 mm slide. The slide is projected on to a screen, and the area of the house on the screen is 1.55 m2. What is the linear magnification of the projector-screen arrangement?


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:

6.320 J


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.


Taking into account of the significant figures, what is the value of 9.99 m – 0.0099 m?


The number of significant figures in 0.06900 is ______.


The mass and volume of a body are 4.237 g and 2.5 cm3, respectively. The density of the material of the body in correct significant figures is ______.


The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give ______.


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.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×