हिंदी

Solve the following problem: Perform the following operation: 1.05 × 10−4 − 9.7 × 10−5

Advertisements
Advertisements

प्रश्न

Solve the following problem:

Perform the following operation:

1.05 × 10−4 − 9.7 × 10−5

योग
Advertisements

उत्तर

To perform an addition/subtraction operation, first, the numbers are written in such a way that they have the same exponent. The coefficients are then added/subtracted.

1.05 × 10−4 − 9.7 × 10−5

= 10.5 × 10−5 − 9.7 × 10−5

= (10.5 − 9.7) × 10−5

= 0.80 × 10−5

= 8.0 × 10−6

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Introduction to Analytical Chemistry - Exercises [पृष्ठ २५]

APPEARS IN

बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 2 Introduction to Analytical Chemistry
Exercises | Q 4. (R)(b) | पृष्ठ २५

संबंधित प्रश्न

Choose the correct option:

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


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?


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:

25.55 mL


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 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:

643 cm2


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 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.

0.002030


Solve the following problem:

Write the following in exponential notation:

3,672,199


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×