English

Solve the following question: Round off the following quantity to two significant figures: 25.55 mL - Chemistry

Advertisements
Advertisements

Question

Solve the following question:

Round off the following quantity to two significant figures:

25.55 mL

Numerical

Solution

26 mL

shaalaa.com
Mathematical Operation and Error Analysis
  Is there an error in this question or solution?
Chapter 2: Introduction to Analytical Chemistry - Exercises [Page 24]

APPEARS IN

Balbharati Chemistry [English] 11 Standard
Chapter 2 Introduction to Analytical Chemistry
Exercises | Q 3. (B)(a) | Page 24

RELATED QUESTIONS

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:

199 g


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:

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 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:

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.

1.23 × 104


Solve the following problem:

Write the following in exponential notation:

3,672,199


Solve the following problem:

Write the following in exponential notation:

0.00461


Solve the following problem:

Perform the following operation:

1.05 × 10−4 − 9.7 × 10−5


Solve the following problem:

Perform the following operation:

4.11 × 10−3 + 8.1 ×10−4


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. 


Define: Least count


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×