simplify an arithmetic expression
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The answers are just below the problems.
But, if you do not achieve a prefect paper, review the
Intro, Warm Up Questions
or
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for Order of Operations or syntax.
Simplify
1. 8(-4)(-1)(-2)
For answers to above, scroll down. 8(-4)(-1)(-2) -64
2. 8(-4) -1 -2
For answers to above, scroll down. 8(-4) -1 -2 -32 - 1 - 2 -35
3. 8(-4 -1(-2))
For answers to above, scroll down. 8(-4 -1(-2)) 8(-4 + 2) 8(- 2) -16
4. -6 [ -3 - 2(5 - 3)]
For answers to above, scroll down. -6 [ -3 - 2(5 - 3)] -6 [ -3 - 2( 2)] -6 [ -3 - 4] -6 [ - 7] 42
5. (18 ÷ 2) · {[9 · 9 - 1 ÷ 2] - [5 · 20 - ( 7 · 9 - 2)]}
For answers to above, scroll down. (18 ÷ 2) · {[9 · 9 - 1 ÷ 2] - [5 · 20 - ( 7 · 9 - 2)]} 9 · {[81 - 1/2] - [100 - ( 63 - 2)]} 9 · {[80 1/2] - [100 - ( 61)]} 9 · {[80 1/2] - [ 39 ]} 9 · { 41 1/2} 373 1/2
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