Question

use the english and metric equivalents to the right, along with dimensional analysis, to convert the given measurement to the unit indicated. 21 in. to cm (round to the nearest hundredth as needed.) approximate english and metric equivalents 1 in = 2.54 cm 1 ft = 30.48 cm 1 yd = 0.9 m 1 mi = 1.6 km

Explanation:

Step1: Identify conversion factor

We know that 1 in = 2.54 cm.

Step2: Set up conversion

To convert 21 in to cm, we multiply 21 by the conversion factor. So, $21\times2.54$.

Step3: Calculate result

$21\times2.54 = 53.34$ cm.

Answer:

53.34