J's answer to Rin's Secondary 1 Maths Singapore question.
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3⁴ × 7²
= (3²)² × 7²
= 9² × 7²
= (9 × 7)²
= 63²
So, √(3⁴ × 7²) = √(63²) = 63
= (3²)² × 7²
= 9² × 7²
= (9 × 7)²
= 63²
So, √(3⁴ × 7²) = √(63²) = 63
Date Posted:
3 years ago
Thank you very much.
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