5570
It is 10
9.45 rounded to the nearest whole number is 10. .45 rounds to .5 and 9.5 rounds to 10.
Three Rounded to the nearest tens would be zero because if it is five or more you go up (which would be ten)
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
37 rounded to the nearest 10 is 40.