exam Maths Puzzle Numerical Ability

It says to simplify
x^-2 y^3
I got x^2y^3=x.x.y.y.y
Please help me Thank You=)

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exam Other Question

Name the coordinate described here:
From the origin, the point is two places to the left and nine places up. I need help to in solving these equation. I do not know which formula to use. I tried using the FOIL and the distribute methods but I am still confused.

12xsquared)+75

3x(sq