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

Solve the following question: Round off the following quantity to three significant figures: 643 cm2 - Chemistry

Advertisements
Advertisements

प्रश्न

Solve the following question:

Round off the following quantity to three significant figures:

643 cm2

संख्यात्मक

उत्तर

643 cm2 (or 6.43 × 102 cm2)

shaalaa.com
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. (C)(c) | 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?


Why there is a need of rounding off figures during calculation?


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:

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:

23,642,000 mm


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 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.

1.23 × 104


Solve the following problem:

Write the following in exponential notation:

3,672,199


Solve the following problem:

Write the following in exponential notation:

198.75


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×