Question

does 77/210 have a terminating decimal expansion

Answer 1

Hi Friend !!!


Here is your answer,,,

77/210 = 11/30

Denominator , 30 = 5×2×3

Its not in the form of 5^m×2^n

So, it non terminating decimal

Hope it helps u :-)

Answer 2

Hello Dear!!!

Here's your answer....

77/210

7 table cancellation

11/30

30 can be written as 3×10

10 can be written as 5×2

so...30 can be written as 3×5×2

11/30

11/2×5×3

The denominator is not in the form of 2^m 3^n

If the denominator is in the above form,then it is terminating decimal....

But...it is not in the above form....

So...it is non terminating decimal...


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Hope this helps you.....