How do you simplify $2k^-1$ and write it using only positive exponents?

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Answer 1 · 2017-06-06T20:40:02

Use these two rules of exponents to simplify this expression:

$x^color(red)(a) = 1/x^color(red)(-a)$ and $a = a^color(red)(1)$

$2k^color(red)(-1) = 2/k^color(red)(- -1) = 2/k^1 = 2/k$

How do you simplify 2k^-12k^-1 and write it using only positive exponents?