Answer: 628
316 + 516 + 216 = 1048
-512 + -14 + 312 = -214
512 + -14 + 312 = 810
456 + 312 = 768
370 [312 + 58]
312 + 2 = 314
307
312 + 177 = 489
-512-14+312 is an integer, not a fraction.
Yes! Per ASTM A 312 in 304/304L and 316/316L.
It is: 352.50
1004.