To rewrite it as a single exponent we have to simply add the exponents since we have an equal base.
The answer is 9^7
The answer is 25.16
Hope this helps.
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Given:
The point is (-5,7).
To find:
The image of the given point after 90 degrees counter clockwise rotation.
Solution:
If a point rotated 90 degrees counter clockwise, then

Let the given point is P(-5,7). Using the above rule, we get

Therefore, the image of the given point after 90 degrees counter clockwise rotation is (-7,-5).