10. (LEVEL 3)Simplify
11. (LEVEL 3)Robert loves football and wants to start practice throwing daily. The first day he practices for 3 minutes. The next day he triples his time. Robert continues to triple his practice time every day. How many minutes did Robert practice on the fourth day?
3x3x3= 27 27x27x27=1683
12. (LEVEL 3)Given a cube whose faces each have area A, the volume of the cube is given by the formula V = A3/2. Find the volume of a cube whose faces each have an area of 16 in2.
13.
(LEVEL 4) Simplify
14.
(LEVEL 4) Simplify

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Dear friend... I'm terribly bad at math :P
But good luck!

copy and paste error wat happened to 10,13,14

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