3 - square root {81}+(-2)^3
did I figure this right ?
3-{9} +{-2}^3
-6 + -8
=-14
2007-12-04 22:00:59 · 6 answers · asked by Maggie L 1 in Science & Mathematics ➔ Mathematics
3 - √ 81 + (- 2) ³
3 - 9 - 8
3 - 17
- 14
Looks OK.
2007-12-04 22:53:52 · answer #1 · answered by Como 7 · 2⤊ 2⤋
Not fully.
3 -- sqrt(81) + (--2)^3
= 3 -- (9 or -- 9) -- 8
= 3 -- 8 -- 9 or 3 -- 8 + 9
= -- 14 or 4.
sqrt(81) = 9, -- 9.
2007-12-05 06:13:27 · answer #2 · answered by sv 7 · 1⤊ 1⤋
That is one answer that is correct.
There is another though, if sqrt(81) = -9,
which gives an answer of 4.
2007-12-05 06:15:21 · answer #3 · answered by falzoon 7 · 0⤊ 2⤋
BINGO!!! Thats a correct answer.
2007-12-05 06:23:10 · answer #4 · answered by Vaibhs >> 2 · 0⤊ 2⤋
It seems you answer your question right.
2007-12-05 06:11:33 · answer #5 · answered by marksman 2 · 1⤊ 1⤋
yes, looks perfect.
2007-12-05 06:08:24 · answer #6 · answered by BioE student 1 · 1⤊ 1⤋