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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: 25.55 mL - Chemistry

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प्रश्न

Solve the following question:

Round off the following quantity to two significant figures:

25.55 mL

संख्यात्मक

उत्तर

26 mL

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Mathematical Operation and Error Analysis
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Introduction to Analytical Chemistry - Exercises [पृष्ठ २४]

APPEARS IN

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

संबंधित प्रश्‍न

Choose the correct option:

The number of significant figures in 1.50 × 104 g is __________


What do you mean by significant figures?


State the rules for deciding significant figures.


Distinguish between accuracy and precision.


Why is accurate measurement crucial in science?


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:

79,000 m


Solve the following question:

Round off the following quantity to three significant figures:

649.85


Solve the following question:

Round off the following quantity to three significant figures:

23,642,000 mm


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:

Give the number of significant figures for the following.

0.002030


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.

1.23 × 104


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:

3,672,199


Solve the following problem:

Write the following in exponential notation:

0.000098


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:

1.05 × 10−4 − 9.7 × 10−5


Define : Least count


Define: Least count


Define: Least count


Define : Least count


Define Least count


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