Question
Find the square root of $6400$
✓
Answer
Thus factors of $6400 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 5 \times 5$
Therefore, $\sqrt{6400} = 2 \times 2 \times 2 \times 2 \times 5 = 80$
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