Question

find the square root of the prime factorisation method 784
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Answer 1

Answer:

28 is your answer

Step-by-step explanation:

$\: \: \: \: \: \: \: 2 |784 \over \: \: \: \: \: \: \: {2|392} \\ \: \: \: \over \: \: \: \: \: \: \: 2 |196 \\ \: \over \: \: \: \: \: \: \: 2 |98 \\ \over \: \: \: \: \: \: \: 7 |49 \\ \over \: \: \: \: \: \: \: 7 |7 \\ \over \: \: \: \: \: \: \: \: \: |1 \\ now \: 784 = \underline{2 \times 2 }\times \underline{2 \times 2} \times \underline{7 \times 7} \\ \: \: \: \: \: \sqrt{784} = 2 \times 2 \times 7 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 28$

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