Question

express 247 centimeters in feet. round the answer to 3 significant figures. if the answer is too large or small put your answer into standard scientific notation.
2.54 cm = 1.00 in
12.0 in = 1.00 ft
answer:

Explanation:

Step1: Convert centimeters to inches

We know that $2.54$ cm = $1.00$ in. So, to convert 247 cm to inches, we use the conversion factor: $247\ cm\times\frac{1.00\ in}{2.54\ cm}=\frac{247}{2.54}\ in\approx97.244\ in$.

Step2: Convert inches to feet

Since $12.0$ in = $1.00$ ft, then to convert the inches - value to feet, we use the conversion factor: $97.244\ in\times\frac{1.00\ ft}{12.0\ in}=\frac{97.244}{12.0}\ ft\approx8.10\ ft$.

Answer:

$8.10$ ft