Express the numbe

(a) It is given that,

Distance between Earth and Moon = 384, 000, 000 m

Thus,

384, 000, 000 = 3.84 × 10⁸ m

(b) It is given that,

Speed of light in vacuum = 300, 000, 000 m/s

Thus,

300, 000, 000 = 3 × 10⁸ m/s

(c)It is given that,

Diameter of Earth = 1, 27, 56, 000 m

Thus,

1, 27, 56, 000 = 1.2756 × 10⁷ m

(d) It is given that,

Diameter of Sun = 1, 400, 000, 000 m

Thus,

1, 400, 000, 000 = 1.4 × 10⁹ m

(e) It is given that,

Average number of stars in galaxy = 100, 000, 000, 000 stars

Thus,

100, 000, 000, 000 = 1 × 10¹¹ stars

(f) It is given that,

Estimated age of universal = 12, 000, 000, 000 years

Thus,

12, 000, 000, 000 = 1.2 × 10¹⁰ years

(g) It is given that,

Distance of sun from the centre of Milky Way galaxy = 300, 000, 000, 000, 000, 000, 000 m

Thus,

300, 000, 000, 000, 000, 000, 000 = 3 × 10²⁰ m

(h) It is given that,

Total number of molecules in a drop of water weighing 1.8 gram = 60, 230, 000, 000, 000, 000, 000, 000 m

Thus,

60, 230, 000, 000, 000, 000, 000, 000 = 6.023 × 10²²

(i) It is given that,

Area of sea water on earth = 1, 353, 000, 000 cubic km

Thus,

1, 353, 000, 000 = 1.353 × 10⁹ cubic km

(j) It is given that,

Population of India in March 2001= 1, 027, 000, 000

Thus,

1, 027, 000, 000 = 1.027 × 10⁹