No. 80 000 minus 8 is not 10 000 but it is 79 992.
18
10 minus 9/8 is 8 7/8
8-(-6)-10 = 8+6-10 = 4
granite is .000 004 4 per degree F limestone is .000 004 per degree F marble is .000 003 1 -.000 007 9 /F mica is .000 001 7 /F quartz is .000 004 3 - .000 007 9 /F sandstone is .000 006 5 /F slate is .000 005 8 /F
-8
-8 -10 = -18
682 364 518 =6(100 000 000) + 8(10 000 000) + 2(1 000 000) + 3(100 000) + 6(10 000) + 4(1000) + 5(100) + 1(10) + 8(1)(6x100 000 000) + (8x10 000 000) + (2x1 000 000) + (3x100 000) + (6x10 000) + (4x1000) + (5x100) + (1x10) + (8x1)600 000 000 + 80 000 000 + 2 000 000 + 300 000 + 60 000 + 4000 + 500 + 10 + 8
8
9/10 minus 7/8 is 1/40
-8 - 10 = -18
(+8) - (-2) = +10