Answer:
Acceptable dimensions of the part are = 253 mm, 254 mm, 255 mm, 256 mm, 257 mm, 258 mm, and 259 mm
Explanation:
A carpenter is making a part for a desk which is 256 millimeters wide plus or minus 3 millimeters.
Width = 256±3 mm
This means that the absolute value of the difference between the dimension of the part and 256 can be no more than 3 millimeters
So acceptable dimensions of the part are = 253 mm, 254 mm, 255 mm, 256 mm, 257 mm, 258 mm, and 259 mm.
