Rounded to the nearest whole number in this case means that you are going to use the number that is in the tenths place and see if it rounds the 7 up.
7 . 8 9 7 ^ whole number - decimal point - tenths - hundreths - thousandths
using a and b
*if the question is asking you to round a to the the nearest whole number then you have to look at b and see if it is 5 or more. if it is then it rounds a up. if b is 4 or less then a either is rounded down or stays the same. ------------------------------------------------------------------------------------------------------ in this case
the 8 after the decimal point rounds the 7 up so your final answer is going to be: