Question

evaluate :3√100*3√640​

Answer 1

Here is your answer

Step-by-step explanation:

$3 \sqrt{100} \times 3 \sqrt{640 } \\ = 3 \sqrt{10 \times 10} \times 3 \sqrt{8 \times 8 \times 5 \times 2} \\ = 3 \times 10 \times 3 \times 8 \sqrt{10} \\ = 740 \sqrt{10} \\ = 740 \times 3.163 \\ = 2277.36$