Express the number appearing in the following statements in standard form :
(iii) In a galaxy there are average $100, 000, 000, 000$ stars.

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Solution

Expressing the number of stars in a galaxy in standard form
The average number of stars in a galaxy $= 100, 000, 000, 000$
$= 1.0 \times 100000000000$
$= 1.0 \times 10^{11}$
Hence, the average number of stars in a galaxy is $1.0 \times 10^{11}$ .

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Similar questions

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.

(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.

Q. Express each of the following numbers in standard form:

(i) Diameter of Earth = 12756000 m.
(ii) Distance between Earth and Moon = 384000000 m.
(iii) Population of India in March 2001 = 1027000000.
(iv) Number of stars in a galaxy = 100000000000.
(v) The present age of universe = 12000000000 years

Question 4(e)
Express the number appearing in the following statements in standard form:
(e) In a galaxy there are on an average 100,000,000,000 stars.

In a galaxy there are on average $100000000000$ stars. Express it in standard form.

Express the number appearing in the following statement in standard form: The distance of the Sun from the centre of the Milky Way Galaxy is estimated to be $300, 000, 000, 000, 000, 000, 000 m$ .

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Express the number appearing in the following statements in standard form :(iii) In a galaxy there are average 100,000,000,000 stars.

Expressing the number of stars in a galaxy in standard formThe average number of stars in a galaxy =100,000,000,000=1.0×100000000000=1.0×1011Hence, the average number of stars in a galaxy is 1.0×1011.

Express the number appearing in the following statements in standard form :
(iii) In a galaxy there are average $100, 000, 000, 000$ stars.

Expressing the number of stars in a galaxy in standard form
The average number of stars in a galaxy $= 100, 000, 000, 000$
$= 1.0 \times 100000000000$
$= 1.0 \times 10^{11}$
Hence, the average number of stars in a galaxy is $1.0 \times 10^{11}$ .