The density of gasoline is $0\mathrm{.}776\frac{g}{c}{m}^3.$ How much does $3\mathrm{.}10$ gallons of gasoline weigh, in

kilograms?

Enter the value with the appropriate number of significant figures. $($i$)$

$kg$

What is the volume of $1\mathrm{.}76kg$ of mercury at $25C?$ You can use any reliable reference to look up

the density of mercury.

Include at least $3$ significant figures in your answer. $($i$)$

$mL$

Composition $C-4$ is a plastic explosive having a density of $1\mathrm{.}05\frac{g}{c}{m}^3.$ Calculate the mass of a

brick of C$-4$ measuring $77mm118\mathrm{.}0mm299\mathrm{.}0mm.$

Include at least $3$ significant figures in your answer.

$kg$