<h3><u>Answer</u>:- </h3>

<h3><u>Solution:-</u></h3>
Since painting is done on outer surface of cubical block we will have to find its surface area which is given by-

- <u>where a is side of the cube </u>



Now,



Thus it would cost $ 307.2 to paint the entire cubical block.
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The answer to your question is 6.54
I would honestly say either b or d but I'm not completely sure most likely b
Answer:
I Believe it is the first two
Step-by-step explanation: