Rounded to the nearest ten it is 120.
120
110
100
It is 122.
100
122.0
100
Rounded to the nearest hundredth, the square root of 122 is 11.04
100
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 10.
10
120
149,100,000, rounded to the nearest 10 million = 150,000,000149,100,000, rounded to the nearest 10 million = 150,000,000149,100,000, rounded to the nearest 10 million = 150,000,000149,100,000, rounded to the nearest 10 million = 150,000,000