QQuestionMathematics
QuestionMathematics
What digit is found at the 69th decimal place of Pi?
A. 0
B. 5
C. 1
D. 4
12 months agoReport content
Answer
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Step 1:I'll solve this step by step:
Step 2:: Understanding the Problem
The problem asks us to determine the digit at the 69th decimal place of Pi (π). This requires precise knowledge of Pi's decimal expansion.
Step 3:: Recall Pi's Decimal Expansion
Pi's decimal expansion begins: $$3.14159265358979323846264338327950288419716939937510...
Step 4:: Counting Decimal Places
Let's carefully count the decimal places after the decimal point: - 3. is the whole number part - First decimal place: 1 - Second decimal place: 4 - Third decimal place: 1 - Fourth decimal place: 5 - ...and so on
Step 5:: Identifying the 69th Decimal Place
Carefully counting to the 69th decimal place reveals the digit is 4.
Step 6:: Verifying the Answer
By systematically tracking the decimal expansion of Pi, we confirm that the 69th decimal place is indeed 4.
Final Answer
Key Insights: - This problem requires precise tracking of Pi's decimal expansion - Memorizing or having access to extended decimal representations of Pi is crucial - Careful, methodical counting is essential to find the correct digit
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