Question

What is the value of for -6a^-3b^2 for a=-2 and b=4?

Answer 1

Easy buddy....

`- 6 * ({ - 2})^( - 3) * ({4})^(2) =`

`- 6 * ({ - (1)/(2) })^(3) * 16 = \\`

`- 6 * ( - (1)/(8)) * 16 = \\`

16 simplifies to by 8 and equals 2

`- 6 * ( - 2) = 12`

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And we're done.

Thanks for watching buddy good luck.

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