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vekshin1
2 years ago
13

atex-formula">
Mathematics
2 answers:
Andrej [43]2 years ago
6 0

Answer:

6. 72

Step-by-step explanation:

\sqrt{45}  \\  =  \sqrt{9 \times 5}  \\  =  \sqrt{9 }  \times  \sqrt{5}  \\  = 3 \sqrt{5}

\sqrt{5}  = 2.24 \\   \implies \: 3 \sqrt{5}  = 3 \times 2.24 \\  = 6.72

Lubov Fominskaja [6]2 years ago
4 0

Answer:

3\sqrt{5}

Step-by-step explanation:

45 = 9 * 5 = \sqrt{3 * 3 * 5}

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