Question

Express the number appearing in the following statements in standard form:
1) Speed of light in vaccum is
300,000,000 m/s
2) Diameter of the Earth is 1,27,56,000 m
3) The Earth has 1,353,000,000 cubic km of sea water ​

Answer 1

Answer:

1)  3 x 10⁸ m/s

2) 12756 x 10³ m

3) 1353 x 10⁶ cubic km of sea water

Answer 2

Answer:

1) Speed of light in vaccum is 3 × 10^8 m/s

2) Diameter of Earth is 1.2756 × 10^7 m

3) The Earth has 1.353 × 10^9 cubic km of sea water