AP State Syllabus AP Board 7th Class Maths Solutions Chapter 11 Exponents Ex 3 Textbook Questions and Answers.

## AP State Syllabus 7th Class Maths Solutions 11th Lesson Exponents Exercise 3

Question 1.

Express the number appearing in the following statements in standard form.

(i) The distance between the Earth and the Moon is approximately 384,000,000m.

(ii) The universe is estimated to be about 12,000,000,000 years old.

(iii) The distance of the sun from the center of the Milky Way Galaxy is estimated to be 300,000,000,000,000,000.,000 m.

(iv) The earth has approximately 1,353,000,000 cubic km of sea water.

Solution:

(i) 3.84 × 10^{8} m

(ii) 1.2 × 10^{10} years

(iii) 3 × 10^{20} m

(iv) 1.353 × 10^{9}cubic km