Worksheet #2: Metric Conversions and Density Flashcards

In scientific notation, the measurement $0.000150$ is expressed as __________.

$$1.50 \times 10^{-4}$$

Converting $41.5 \times 10^2$ into standard scientific notation form yields __________.

$$4.15 \times 10^3$$

The number of significant figures in the measurement $0.0210\,\text{ms}$ is __________.

$$3$$

Rounding the measurement $1789\,\text{g}$ to three significant figures gives __________.

$$1790\,\text{g}$$

The sum of $1555\,\text{in} + 14.14\,\text{in} + 236.00\,\text{in}$ reported with correct significant figures is __________.

$$1805\,\text{in}$$

The product of $(134\,\text{in.})(25\,\text{in.})$ reported with correct significant figures is __________.

$$3400\,\text{in.}^2$$

The result of $(5.32 \times 10^{12}) \times (6.412 \times 10^3)$ in scientific notation is __________.

$$3.41 \times 10^{16}$$

In metric relationships, $1\,\text{g}$ is equivalent to __________ decigrams.

$$10$$

In metric unit relationships, $1\,\text{mL}$ is equal in volume to __________.

$$1\,\text{cm}^3$$

Converting $188.1\,\text{cm}$ to inches using unit conversion yields __________.

$$74.06\,\text{in}$$

Converting $0.045\,\text{km}$ to centimeters yields __________.

$$4.5 \times 10^3\,\text{cm}$$

When dropped into water, an object with a density greater than $1\,\text{g/mL}$ will __________.

sink

Kerosene has a density of $0.81\,\text{g/mL}$, which means it will __________ when placed in water.

float

Chloroform has a density of $1.49\,\text{g/mL}$, which means it will __________ when placed in water.

sink