Find the square root of 2025 by prime factorisation 45

Find the square root of 2025 by prime factorisation.

Please scroll down to see the correct answer and solution guide.

Right Answer is: A

SOLUTION

$Prime factorisation of 2025 is:$

$\begin{matrix} 5 & 2025 5 & 405 3 & 81 3 & 27 3 & 9 3 \end{matrix}$

$2025 = 5 \times 5 \times 3 \times 3 \times 3 \times 3$

$∴ \sqrt{2025} = 5 \times 3 \times 3 = 45$

Find the square root of 2025 by prime factorisation 45

Right Answer is: A

SOLUTION

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