A rectangular block of ice $8$ m on each side and $0\mathrm{.}7$ m thick floats in seawater. The density of the seawater is $1025k\frac{g}{m^3}.$ The density of ice is $917k\frac{g}{m^3}.$

a$)$ How high does the top of the ice block float above the water level?

$$ m $11$

b$)$ How many penguins of mass $24$ kg each can stand on the ice block before they get their feet wet?

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