5. Without actual division, find which of the following rational numbers have terminating decimal expansion.
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Solution:
219/2200
= 219/( 2 × 2 × 5 × 5 × 11 )
= 219/( 2² × 5² × 11¹ )
is a non - terminating decimal .
Since as the denominator is not
of the form 2ⁿ × 5^m
••••
219/2200
= 219/( 2 × 2 × 5 × 5 × 11 )
= 219/( 2² × 5² × 11¹ )
is a non - terminating decimal .
Since as the denominator is not
of the form 2ⁿ × 5^m
••••
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