90
89 rounds to 100
90
100
8 is already rounded to the nearest 10th. Rounded to the nearest 10 is 10.
100
90
89.
89.0
89 if rounded to the nearest whole number
10
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
10 because 8 is to small to have this and 10 is the first ten there is