3 years ago

Simplify this radical without decimals

1 answer:

5 0

8)
$\sqrt{40}$
$\sqrt{4*10}$
The 4 is a squared number (2×2).
Answer: $2\sqrt{10}$
12)
$\sqrt{441}$
The 441 is a squared number (21×21)
Answer: 21

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