math

Note: Enter your answer and SHOW ALL THE STEPS that you use to solve this problem in the space provided.

Solve
2s^3 - 4r^2 if r = 1 and s = 5

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  3. 👁 121
  1. just use the numbers!

    2*5^3 - 4*1^2 = _____

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    👨‍🏫
    oobleck
  2. I honesty have to idea how to do this

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  3. its easy the exponents are s^3 and s=5 5^3=5x5x5 witch equals 125
    next r^2 r=1 1x1=1 so now you have 2x125-1x4
    according to orders of operations you now do multiplication then subtraction so 250-4
    then do subtraction.
    250-4 = 246 that's the answer do you understand now?

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