CBSE 9th Mathematics-Number system

Answer the following

1. Write the following in decimal form and find the type of decimal expansion.




2. Determine rational numbers p and q if
    

3. If     find the value of  x² – y²

4. Show how can be represented on the number line.

5. Visualise 3.765 on the number line, using successive magnification.

6. On adding we get ____________________

7. On dividing we get ____________________

8. On simplifying we get ______________________

9. On simplifying 8³ × 2⁴, we get ________________________ 

10. (16)^3/4 is equal to ________________

11.


12. Simplify
   
13. Show that 1.272727 = 1. 27 can be expressed in the form p/q, where p and q are integers and  q ≠ 0. 

14.

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