Change the given quantity to the indicated unit. Round the answer to the nearest tenth of the unit if necessary.
-$30 \mathrm{~km} \approx \ldots \mathrm{mi}$
A) $48.3 \mathrm{mi}$
B) $18.8 \mathrm{mi}$
C) $28.4 \mathrm{mi}$
D) $31.8 \mathrm{mi}$

Question

Quizplus · Accepted Answer

To convert kilometers to miles, you can use the conversion factor $1 \mathrm{~km} \approx 0.621371 \mathrm{~mi}$. Multiplying $30 \mathrm{~km}$ by $0.621371$ gives approximately $18.64113 \mathrm{~mi}$, which rounds to $18.6 \mathrm{~mi}$, but the closest option provided is $18.8 \mathrm{~mi}$.

Change the Given Quantity to the Indicated Unit 30 km≈…mi30 \mathrm{~km} \approx \ldots \mathrm{mi}30 km≈…mi

Change the Given Quantity to the Indicated Unit $30 \mathrm{~km} \approx \ldots \mathrm{mi}$