## RD Sharma Class 9 Solutions Chapter 1 Number Systems Ex 1.2

These Solutions are part of RD Sharma Class 9 Solutions. Here we have given RD Sharma Class 9 Solutions Chapter 1 Number Systems Ex 1.2

Question 1.
Express the following rational numbers as decimals:

Solution:

Question 2.

Solution:

Question 3.
Look at several examples of rational numbers in the form $$\frac { p }{ q }$$ (q ≠ 0), where p and q are integers with no common factors other than 1 and having terminating decimal representations. Can you guess what property q must satisfy?
Solution:
The property is if the denominators have factors 2 or 5 or both, the decimal representation will be terminating e.g.

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