Ineed to know the answer with steps plz

a.)

b.) 5 blocks

Explanation:

Let's find the volume of the metal block:

Now, let's find the volume of the smaller blocks:

So, one small block has a volume of 8cm. If the volume of the larger block is 40cm, we can fit a total of 5 smaller blocks into the larger block, meaning it will make up the same volume.

in this image, you can see solar radiation going through ocean water.

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