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Evaluating Expressions A=-1 B=-2 C =2?

B with a 3 exponent-c /2 times (-3)

2a-4b+5c

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    In the question we are given that:
    A=-1
    b=-2;and
    c=2

    Question 1:
    b3-c /2(-3)
    Plugging in the values:
    (-2)3-2/2(-3)
    Solving:
    -8-2/-6
    Dividing:
    -10/-6
    Canceling the negative signs:
    10/6

    Question 2:
    2a-4b+5c
    Plugging in the values:
    2(-1)-4(-2)+5(2)
    Multiplying:
    -2+8+10
    Adding:
    -2+18
    Subtracting:
    16
    0 0

    Katie01  

    answered 9 months ago

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