to round, you look at the place after it so 13.8924439894 to tenth look untill hundreth 13.89 if hundreth<u>></u>5, round tenth up if hundreth place<5 leave tenth as is
13.89 9<u>></u>5 round up 8+1=9 13.9 is to theh tenth
the answer is 13. 90 if you round it to the nearest tenth. the nearest tenth is the 9 the first nine.( if the number is 0-5 then it will become a 0 but if the number is 5-9 you would add one to the number in front of it) since the number is 9 then the 8 would become a 9 so your answer would be 13.90