The tires of a tractor are 4.5 feet tall. how many 360-degree rotations do the tires make when the tractor travels 170 ft? round your answer to the nearest whole number.

C = 2πR or C = πD

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons