book Maths Puzzle Numerical Ability

What is the exact value of (-16)^(5/4)?

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book Other Question

Graph each compound inequality.
x is greater than or equal to -2y and
x - 3y < 6

3 - x < y + 2 or
x > y + 5

Graph the absolute value inequalities.
|x + 2y| is greater How can I divide a finite decimal? I am having a lot of trouble with this because I learned all my algebra in the US and now I moved to Santiago, Chile and they use other methods t