Question

solve root 45 x root 50 and state what type of number is this.?

Answer 1

Answer:

$\sqrt{45} \times \sqrt{50} \\ = \sqrt{45 \times 50} \\ = \sqrt{(9 \times 5) \times (25 \times 2)} \\ = 3 \times 5 \sqrt{5 \times 2} \\ = 15 \sqrt{10} \\ which \: is \: an \: irrational \: number.$