Question

√45 × √20 is equal to:

(a) 15 (b) 30 (c) 25 (d) None of these​

Answer 1

Answer:

option b is the answer

Step-by-step explanation:

hope it helps you❤

Answer 2

Answer:

$\sqrt{5 \times 9} \times \sqrt{4 \times 5 } \\ = 3 \sqrt{5} \times 2 \sqrt{5} \\ = 6 \times 5 \\ = 30$