Question

select all that apply. which of these sentences have the correct si units? water boils at 100°c. a football field is about 91 m long. a teaspoon of medicine is about 5 cm. a carton holds 1.89 l of milk. a dime is about 1 g thick. the mass of a paper clip is 5 g/cm³.

Explanation:

• The SI unit of temperature is the Kelvin, but Celsius is also widely - used in scientific and everyday contexts, and water boils at 100°C under standard atmospheric pressure.
• A dime is about 1 mm thick, not 1 g thick (g is a unit of mass).
• A carton of milk can hold around 1.89 L, which is a reasonable volume measurement.
• A teaspoon of medicine is about 5 mL, not 5 cm (cm is a unit of length).
• A football field is about 91 m long, which is a correct length measurement.
• Mass per unit volume (5 g/cm³) is a density measurement, but the description of the mass of a paper - clip as a density is incorrect.

Answer:

• Water boils at 100°C.
• A carton holds 1.89 L of milk.
• A football field is about 91 m long.