Question

what kind of decimal expension 3/13 and123/40 have

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Answer 1

Answer:

1. non terminating decimal

2. the  decimal expansion of 123/40 is terminating

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Step-by-step explanation:

1.     3/13

The denominator=13 is not in the form of 2^m*5^m

So the number non terminating decimal

2. 123/40

Denominator=40=8*5=2^3*5^1

is in the form 2^m * 5 ^m

So the  decimal expansion of 123/40 is terminating