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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Solve the following question: Round off the following quantity to two significant figures: 1.491 × 105 mg - Chemistry

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प्रश्न

Solve the following question:

Round off the following quantity to two significant figures:

1.491 × 105 mg

संख्यात्मक
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उत्तर

1.5 × 105 mg

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पाठ 2: Introduction to Analytical Chemistry - Exercises [पृष्ठ २४]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 2 Introduction to Analytical Chemistry
Exercises | Q 3. (B)(c) | पृष्ठ २४

संबंधित प्रश्‍न

What do you mean by significant figures?


State the rules for deciding significant figures.


Distinguish between accuracy and precision.


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:

6.398 × 10-3 km


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:

79,000 m


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:

649.85


Solve the following problem:

Express the following quantity in exponential terms.

70000.0


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.

0.002030


Solve the following problem:

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

1.23 × 104


Solve the following problem:

Write the following in exponential notation:

0.00461


Solve the following problem:

Perform the following operation:

3.971 × 107 + 1.98 × 104


Solve the following problem:

Perform the following operation:

2.12 × 106 − 3.5 × 105


Define: Least count


Define : Least count


Define Least count.


Define Least count. 


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