Simplify fully the following
a)
[tex]2 \sqrt{5} \times 5 \sqrt{5} [/tex]
b)
[tex]2 \sqrt{3} \times 3 \sqrt{8} [/tex]
Note: Please leave your answer in surd form when appropriate.
Can you please do the answer before 5pm tonight, thanks and I will mark your answer as brainliest answer.