answer for that problem.
2007-08-27 02:39:04 · 7 answers · asked by nicole 1 in Science & Mathematics ➔ Chemistry
Is the additional of numbers (Mathematically).
3- (-8) = 3- *-8
3+8 where (-*-) is +
therefore answer is 11
2007-08-27 02:53:38 · answer #1 · answered by Anonymous · 0⤊ 0⤋
11
2007-08-27 02:46:21 · answer #2 · answered by hey! 2 · 0⤊ 0⤋
3 minus a -8 is +11
2007-08-27 02:42:24 · answer #3 · answered by science teacher 7 · 1⤊ 0⤋
to make the 8 a positive you have to change the symbol to an add. so it becomes 3 + 8 = 11
2007-08-27 02:48:04 · answer #4 · answered by Anonymous · 0⤊ 0⤋
3 - (-8) = 13
2007-08-27 02:56:51 · answer #5 · answered by NooaoM 4 · 0⤊ 0⤋
1+(+1)= 1+1
1+(-1)=1-1
1-(+1)=1-1
1-(-1)=1+1
if the signs between the two numbers are the same, u add the two numbers together. but if they are different, i.e - and +, u subtract.
therefore,
3-(-8)
=3+8
=11
2007-08-27 02:55:25 · answer #6 · answered by salzinx 2 · 0⤊ 0⤋
11
How come this is Chemistry ???????
2007-08-27 02:53:54 · answer #7 · answered by ag_iitkgp 7 · 0⤊ 0⤋