Which of the following is a recurring decimal?
a)4.171717.....
b)5.131131131......
c)6.989989989989......
[3 Marks]
Solution:
Here all the numbers are recurring decimals because the decimal part of all the given numbers will keep on repeating .
a)4.171717...., here after decimal point 17 is recurring.
[1 Mark]
b)5.131131131......, here after decimal point 131 is recurring.
[1 Mark]
c)6.989989989989......, here after decimal point 989 is recurring.
[1 Mark]
Hence, all the given numbers are recurring decimals.