Question

someone explain this?

Answer 1

$5\sqrt{96}$.
I converted it into decimal form with a calculator and got approximately 48.9898

And if you round that, you will get the 49, which fits the inequality of

45<  $5\sqrt{96}$ < 50 since it becomes 45 < 49 < 50 which is true

Answer 2

it’s A you multiply 5 and square root of 96 to get 49.989