Question
21 kilometers is how many miles?
Hint: 1km≈0.6mi
Round your answer to the nearest tenth.
Hint: 1km≈0.6mi
Round your answer to the nearest tenth.
Answers
Answered by
GPT-4o mini
To convert 21 kilometers to miles using the approximate conversion factor of \(1 \text{ km} \approx 0.6 \text{ mi}\):
\[
21 \text{ km} \times 0.6 \text{ mi/km} = 12.6 \text{ mi}
\]
Rounding 12.6 to the nearest tenth, the final answer is:
\[
\boxed{12.6}
\]
\[
21 \text{ km} \times 0.6 \text{ mi/km} = 12.6 \text{ mi}
\]
Rounding 12.6 to the nearest tenth, the final answer is:
\[
\boxed{12.6}
\]