1.

Without doing any actual division, determine which of the following are terminating decimals.a) 3/20b)7/253/13d)17/18In the second option, 7/25 is simplified as 7/5 raised to the power 2. This is a non-terminating decimal number because its prime factorisation has only 5. In the lecture, it is described as terminating decimal number. Why.

Answer» Without doing any actual division, determine which of the following are terminating decimals.
a) 3/20
b)7/25
3/13
d)17/18

In the second option, 7/25 is simplified as 7/5 raised to the power 2. This is a non-terminating decimal number because its prime factorisation has only 5. In the lecture, it is described as terminating decimal number. Why.


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