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Only one small cube won't have any painted sufaces, therefore 26 have at least one painted surface (6 have only one surface blue, 12 have two blue surfaces and 8 have three blue surfaces).
Yes. Both are correct.
DCMS, u should tell the full answer.
Both will get 7.5 points.
its 26.. totally 27 1"1"1" cubes ll be thr..the centre 1"1"1" will be the one whch wont have any painted surface and all the othrs ll have atleast 1 painted surface..
A cubic object 3"X3"X3 is painted blue on the outside surfaces, including the top and bottom.
If the cube is cut into 27 cubes of 1"X1"X1, how many 1" do have any painted surfaces.?
15 points.