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simplify 9+ (-2)^3 HELP PLEASE

Simplify 9 23 HELP PLEASE class=

Sagot :

thelonepolar

Answer:

1

Step-by-step explanation:

Raise -2 to the power of 3 = -8

9-8= 1

CrystalQueen

Answer:

1

Step-by-step explanation:

A number raised to the 3rd power is equal to that number multiplied by itself twice. Below I have expanded the expression to visualize this process. If this makes it more confusing, the main way is just to go from line 1 to line 4.

9 + (-2)³                          <---- Original expression

9 + (-2 x -2 x -2)             <---- (-2)³ expanded

9 + (4 x -2)                     <---- -2 times -2

9 + (-8)                           <---- 4 x -2                    

1                                     <---- 9 - 8

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