√25•16•9

To simplify the expression √25•16•9, you can start by finding the square roots of 25 and 9, and then multiply those values together with 16.

√25 = 5 √9 = 3

So, √25•16•9 = 5•16•3

Now, you can multiply the numbers together:

5•16 = 80 80•3 = 240

Therefore, √25•16•9 is equal to 240.