Q.
Express
the number appearing in the following statements in standard form.
(a) The
distance between Earth and Moon is 384, 000, 000 m.
(b) Speed
of light in vacuum is 300, 000, 000 m/s.
(c) Diameter
of the Earth is 1, 27, 56, 000 m.
(d) Diameter
of the Sun is 1, 400, 000, 000 m.
(e) In a
galaxy there are on an average 100, 000, 000, 000 stars.
(f) The
universe is estimated to be about 12, 000, 000, 000 years old.
(g) The distance of the Sun from the centre of the Milky Way Galaxy
is estimated to be 300, 000, 000, 000, 000, 000, 000 m.
(h) 60, 230, 000, 000, 000, 000, 000, 000 molecules are contained in
a drop of water weighing 1.8 gm.
(i) The
earth has 1, 353, 000, 000 cubic km of sea water.
(j) The
population of India was about 1, 027, 000, 000 in March, 2001.