English

Solve the following question: Round off the following quantity to three significant figures: 79,000 m - Chemistry

Advertisements
Advertisements

Question

Solve the following question:

Round off the following quantity to three significant figures:

79,000 m

Numerical

Solution

7.90 × 104 m

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. (C)(g) | Page 24

RELATED QUESTIONS

Choose the correct option:

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


What do you mean by significant figures?


State the rules for deciding significant figures.


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:

458 × 102 cm


Solve the following question:

Round off the following quantity to three significant figures:

643 cm2


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:

42,150


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


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.

235.4678


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.

0.002030


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:

2.12 × 106 − 3.5 × 105


Define: Least count


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×