Question

SQRT80 as whole number and reduced sqrt

Answer 1

4sqrt5

Answer 2

factor 80.
\[2 \times 2 \times 2 \times 2 \times 5\]
\[\sqrt{2 \times 2 \times 2 \times 2 \times 5}\]
Take out the pairs,
\[2 \times 2 \sqrt 5\]

Answer 3

therefore,
\[4 \sqrt 5\]