Question

Express the number appearing in the following statement in standard form:

i. Speed of light in vacuum is 300,000,000 m/s.

ii. Diameter of the Sun is 1,400,000,000 m.

iii. The earth has 1,353,000,000 cubic km of sea water

iv. The distance between Earth and Moon is 384,000,000 m.

v. The universe is estimated to be about 12,000,000,000 years old.

[Hint: When no decimal point is shown in a number, we assume it to be at the right end]​

Answer 1

Answer:

i. 3 * 10^8 m/s

ii. 1.4 * 10^9 m

iii. 1.353 * 10^9 cubic km

iv. 3.84 * 10^8 m

v. 1.2 * 10^10

Answer 2

Answer:

I. 3 x 10 exp(8)

II. 14 x 10 exp(8)

III. 1358 x 10 exp(9)

IV. 384 x 10 exp(6)

V. 12 x 10 exp(9)