Mathematics
OpenStudy (anonymous):

Simplify the following expression, and rewrite it in an equivalent form with positive exponents. -11x^4y^-2/55x^-5y^-1

OpenStudy (pfenn1):

$\frac{-11x^4y^{-2}}{55x^{-5}y^{-1}}$Remember $x^{-a}=\frac{1}{x^a}$

OpenStudy (pfenn1):

$\frac {x^4}{x^{-5}}=x^4x^5=x^9$$-\frac{11}{55}=-\frac15$$\frac{y^{-2}}{y^{-1}}=\frac{y}{y^2}=\frac 1y$So$\frac{-11x^4y^{-2}}{55x^{-5}y^{-1}}=-\frac{x^9}{5y}$
{"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 1, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0}