Mid Term #1 - Unit 1: Matter & Measurements

Front

What is the conversion factor from meters to kilometers?

Back

1 kilometer = 1000 meters.

Front

Convert 56.4 m to km.

Back

0.0564 km.

Front

What is the conversion factor from grams to milligrams?

Back

1 gram = 1000 milligrams.

Front

Convert 169 g to mg.

Back

169,000 mg.

Front

What is scientific notation?

Back

A way to express numbers as a product of a number between 1 and 10 and a power of 10.

Front

Change 6.5 x 10⁻⁴ into standard form.

Back

0.000065.

Front

What are significant figures?

Back

Digits in a number that contribute to its precision.

Front

Report the answer with the appropriate significant digits for 13.356 g/10.42 mL.

Back

1.282 g/mL.

Front

What is the formula for density?

Back

Density = mass/volume.

Front

Calculate the density of a ruby with a mass of 7.5 g and a volume of 1.9 cm³.

Back

4.21 g/cm³.