NCERT Class 9 Maths Solutions Chapter - 1 Number Systems, Ex 1.4

Ex - 1.4

Question 1.  Visualise 3.765 on the number line using successive magnification.

Solution

3.765 can be represented

Concept Insight: Divide the number line between the number to be represented in 10 parts starting the whole number part.

Question 2.  Visualise   on the number line, up to 4 decimal places.

Solution

  = 4.2626

We can visualise 4.2626 as in following steps 

Concept Insight: Divide the number line between the number to be represented in 10 parts starting the whole number part.

Ex-1.5