CBSE Class 6 Mathematics Question 40 of 42

Number Play — Question 43

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43
Question
Recall the sequence of powers of 2 from chapter 1, table 1. Why is the Collatz conjecture correct for all the starting numbers in this sequence?
Answer

Powers of 2 → 2,4, 8,16,
For 2 (even) → 2 divide by 2 = 1
For 4 (even) → 4 divide by 2 = 2 (even)
→ 2 divide by 2 = 1
For 8 (even) → 8 divide by 2 = 4 (even)
→ 4 divide by 2 = 2 (even)
→ 2 divide by 2 = 1
Thus, for starting numbers that are powers of 2, the Collatz conjecture holds true because the sequence of operations simply involves a series of divisions by 2, which eventual leads to 1.