Answer:
1. (3)(4) + (2) (-1)
= 12 - 2
= 10
2. [(5) ( - 1) (-2) ] / [(3)(4)]
= 10/ 12
= 5/6
3. 3 (3) ^3 + 4(-3)^2 - 9(4)
= 3(27) + 4(9) - 36
= 81 + 36 - 36
= 81
4. 4(-2)(-3) + 7 (3)(4) - 3(-1)
= 24 + 84 + 3
= 111
5. [ (-1)^2 (-2)^3 (-3)^2] / [ 2 ( 4)^2 + 4]
=[ (1) (-8) (9)] / [ 32 +4]
= - 72 / 36
= - 2
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Answers & Comments
Answer:
1. (3)(4) + (2) (-1)
= 12 - 2
= 10
2. [(5) ( - 1) (-2) ] / [(3)(4)]
= 10/ 12
= 5/6
3. 3 (3) ^3 + 4(-3)^2 - 9(4)
= 3(27) + 4(9) - 36
= 81 + 36 - 36
= 81
4. 4(-2)(-3) + 7 (3)(4) - 3(-1)
= 24 + 84 + 3
= 111
5. [ (-1)^2 (-2)^3 (-3)^2] / [ 2 ( 4)^2 + 4]
=[ (1) (-8) (9)] / [ 32 +4]
= - 72 / 36
= - 2