Without actual division ,find which of the following rational number is terminating decimals
a. 1/20
b.23/45
c.8/45
d.17/18
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Answer:
a.1/20 is terminating decimal.
Answer:
a. 1/20 = 1/2*2*5
Here it can be seen in the denominator only 2 & 5
So, we can see here that 1/20 is a terminating rational number
b. 23/45 = 23/5*3*3
Here it is not a terminating rational number as there is 3 also in the denominator other than 2 & 5
c. 8/45 = 8/5*3*3
It is also not a terminating rational number as there is 3 in the denominator other than 2 & 5
d. 17/18 = 17/2*3*3
It is also not a terminating rational number as there is 3 in the denominator other than 2 & 5
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