Question

multiply 3√40 and 3√16​

Answer 1

Answer:

72√10 is your answer

frist simplify it then multiply

Answer 2

Step-by-step explanation:

$3 \sqrt{40} \times 3 \sqrt{16} = (3 \times 3) \sqrt{40 \times 16} \\ = 9 \sqrt{640} = 9 \sqrt{64 \times 10} \\ = 9 \times 8 \sqrt{10} = 72 \sqrt{10}$