Degree of precision of a measurement number for each measurement find:
a. the degree of precision
b. the range
(show work for each)
1.)  4.3mm
2.)  7.08mm
3.)  12.002in
4.)  9.1mm

Degree of precision in adding and subtracting measurement numbers
Add or subtract the following measurement numbers and round answers to the degree of precision of the least precise number.
1.) 2.69in + 7.871in
2.) 80.0ft +7.34ft
3.) 2256mi – 783.7mi
4.) 18.005in – 10.00362in
5.)33.92gal + 27gal
6.) 26.50 sq in -26.49275 sq in