Yes, it is.
789 is a whole number.
Yes
Yes, both.
789.322 rounded to the nearest whole number is 789. When rounding a decimal number to the nearest whole number, you look at the digit immediately to the right of the decimal point. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, the digit to the right of the decimal point is 3, which is less than 5, so the number remains 789 when rounded to the nearest whole number.
0.8
Yes, -789 is a rational number
789 is an odd number.
To one significant number, 800
No. 789 is a single number!
There are a whole bunch of feet in 789 miles. 5280 ft/mile X 789 miles = 4165920 feet.
Yes, 789 is a rational number, as it can be expressed as a fraction.
32.875