मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

What do you mean by significant figures? - Chemistry

Advertisements
Advertisements

प्रश्न

What do you mean by significant figures?

एका वाक्यात उत्तर
Advertisements

उत्तर

The significant figures in measurement or result are the number of digits known with certainty plus one uncertain digit.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Introduction to Analytical Chemistry - Exercises [पृष्ठ २३]

APPEARS IN

बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 2 Introduction to Analytical Chemistry
Exercises | Q 2. (B) | पृष्ठ २३

संबंधित प्रश्‍न

Choose the correct option:

In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is ________


Distinguish between accuracy and precision.


Why is accurate measurement crucial in science?


Solve the following question:

Round off the following quantity to two significant figures:

1.491 × 105 mg


Solve the following question:

Round off the following quantity to three significant figures:

1.43 cm3


Solve the following question:

Round off the following quantity to three significant figures:

458 × 102 cm


Solve the following question:

Round off the following quantity to three significant figures:

0.039 m


Solve the following question:

Round off the following quantity to three significant figures:

0.0179 g


Solve the following question:

Round off the following quantity to three significant figures:

42,150


Solve the following question:

Round off the following quantity to three significant figures:

0.0041962 kg


Express the following sum to the appropriate number of significant figures:

2.3 × 103 mL + 4.22 × 104 mL + 9.04 × 103 mL + 8.71 × 105 mL


Solve the following question:

Express the following sum to the appropriate number of significant figures:

319.5 g − 20460 g − 0.0639 g − 45.642 g − 4.173 g


Solve the following problem:

Express the following quantity in exponential terms.

0.0003498


Solve the following problem:

Express the following quantity in exponential terms.

1569.00


Solve the following problem:

Give the number of significant figures for the following.

1.230 × 104


Solve the following problem:

Give the number of significant figures for the following.

1.23 × 104


Solve the following problem:

Give the number of significant figures for the following.

1.89 × 10-4


Solve the following problem:

Express the given quantity with or without exponents as the case may be.

1.230 × 104


Solve the following problem:

Express the given quantity with or without exponents as the case may be.

0.002030


Solve the following problem:

Express the given quantity with or without exponents as the case may be.

1.89 × 10-4


Solve the following problem:

Write the following in exponential notation:

0.000098


Define: Least count


Define: Least count


Define: Least count


Define : Least count


Define: Least count


Define Least count.


Define Least count. 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×