# PRACTICE WORKSHEET ON SCIENTIFIC NOTATION

Practice Worksheet on Scientific Notation :

Worksheet given in this section will be much useful for the students who would like to practice problems on scientific notation.

## Practice Worksheet on Scientific Notation - Questions

(1)  Represent the following numbers in the scientific notation:

(i) 569430000000

(ii) 2000.57

(iii) 0.0000006000

(iv) 0.0009000002               Solution

(2)  Write the following numbers in decimal form:

(i) 3.459 x 106

(ii) 5.678 104

(iii) 1.00005 x 10-5

(iv) 2.530009 x 10-7                Solution

(3)  Represent the following numbers in scientific notation:

(i)  (300000)2 x (20000)4

(ii)  (0.000001)11 ÷ (0.005)3

(iii)  {(0.00003)6 x (0.00005)4} ÷ {(0.009)3 x (0.05)2}

Solution

(4)  Represent the following information in scientific notation:

(i) The world population is nearly 7000,000,000.

(ii) One light year means the distance 9460528400000000 km.

(iii) Mass of an electron is 0.000 000 000 000 000 000 000 000 000 00091093822 kg.      Solution

(5)  Simplify:

(i) (2.75 × 107) + (1.23 × 108)

(ii)  (1.598×1017) – (4.58 ×1015)

(iii) (1.02 × 1010) × (1.20 × 10–3)

(iv) (8.41 × 104÷ (4.3 × 105 After having gone through the stuff given above, we hope that the students would have understood how to solve problems on scientific notation.

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