The last digit in the finite decimal representation of the no. 1/5^2003
Answers
Answered by
1
Step-by-step explanation:
U = (1/5)²⁰⁰³ = (0.2)²⁰⁰³ = (0.2)³ (Cyclicity of 2 is 4)
The unit digit of U will be 8
Answered by
3
Answer:
Answer must be 8.
Step-by-step explanation:
(1/5)^2003
= (0.2)^2003
= (0.2)^2000+3
= (0.2)^3. (0.2)^2000
= 0.8.
So 8 must be unit digit.
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