Four students worked to find an estimate for Start Root 22 End Root. Who is closest to finding the true estimate?

Tiffany: "Use Start Root 16 End Root and Start Root 25 End Root to estimate."

Todd: "I use Start Root 9 End Root and Start Root 16 End Root."

Trenton: "It should be Start Root 21 End Root and Start Root 23 End Root."

Fredrica: "Use Start Root 25 End Root and The term states the square root of 36. to get the estimate."

Tiffany is closest to finding the true estimate since the square root of 16 is 4 and the square root of 25 is 5, which are the closest values to the square root of 22.