Q2 of 24 Page 50

Without actual division, find which of the following rational numbers have terminating decimal expansion.

i. ii.


iii. iv.

i. , As the rational number can be represented in form , therefore its terminating.


ii. , As the rational number can't be represented in form , therefore its non-terminating and recurring.


iii. , As the rational number can be represented in form , therefore its terminating.


iv. , As the rational number can't be represented in form , therefore its non-terminating and recurring.


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3

Find any two rational numbers between and

1

Convert the following rational numbers into decimals and state the kind of decimal expansion.

i. ii.


iii. iv.


v. vi.


vii. viii.

3

Express the following decimal expansions into rational numbers.

i. ii.


iii. iv.


v. vi.

4

Explain in decimal form. Find the number of digits in the repeating block.