Question

sqrt 3 times sqrt 21 equals?

Answer 1

\[\sqrt{3} \times \sqrt{21} = sqrt{63}\]

Answer 2

Sorry, \[\sqrt{3} \times \sqrt{21} = \sqrt{63}\]

Answer 3

\[3\sqrt{7}\]

Answer 4

\[\sqrt{3} \times \sqrt{21} = \sqrt{21 \times 3} = \sqrt{63}\]

Answer 5

3squareroot7

Answer 6

\[3\sqrt{7}\]

Answer 7

\[\sqrt{3\sqrt{7?}}\]