Answer:
2√5
----------
25
Step-by-step explanation:
17)
Multiply top and bottom by √5
So
√4 * √5 2√5
-------------- = --------------
5 √5 √5 25
2 ^4 √ 5 / 5 (the 4 is on top of the root thingy)
decimal form 0.59813951
simplify the radical by breaking the radicand up into a product of known factors
