Intext problem 1.5 — task. Science State Board, Class 7.

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A box is made up of iron and it has a volume of 125

$cm^3$ . Find its mass. Density of iron is 7.8

$g/cm^3$ .

[NOTE: Enter the answer up to two decimal places.]

$D =$ 7.8

$g/cm^3$

$V =$ 125

$cm^3$

The formula for density is

$\text{Density} = \frac {\text{Volume}} {\text{Mass}}$
$\text{Density} = \frac {\text{Mass}} {\text{Volume}}$
$\text{Density} = \frac {\text{Mass}} {\text{Area}}$

$\begin{array}{l} Mass = i \times i \\ = i \times i \end{array}$

The mass of iron is

$g$ .

$1$

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