Physics Examples

$ρ = \frac{m}{V}$

Step 1

Substitute the given values into $ρ = \frac{m}{V}$ .

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Step 1.1

Substitute $7.2 g$ for $m$ .

$ρ = \frac{7.2 g}{V}$

Step 1.2

Substitute $2.3 mL$ for $V$ .

$ρ = \frac{7.2 g}{2.3 mL}$

$ρ = \frac{7.20 g}{2.30 mL}$

Step 2

Simplify the right side.

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Step 2.1

Rewrite the expression.

$ρ = 3.13043478 \frac{1 g}{1 mL}$

Step 2.2

Combine fractions.

$ρ = 3.13043478 \frac{g}{mL}$

Step 3

Round to $3$ significant figures.

$ρ = 3.13 \frac{g}{mL}$

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