Question

Make the following conversions:

a.) 157cs to seconds
b.) 42.7L to milliliters
c.) 261nm to millimeters
d.) 0.065km to decimeters
e.) 642cg to kilograms

Answer 1

The conversions are 157cs to 1.57 seconds, 42.7L to 42700 milliliters, 261nm to 2.61 × 10-7 millimeters, 0.065km to 650 decimeters, and 642cg to 6.42 × 10-3 kilograms.

Step-by-step explanation:

Let's perform the following conversions, using the appropriate metric unit prefixes:

1. 157 centiseconds (cs) to seconds: Since 1 centisecond is 0.01 seconds (1 cs = 0.01 s), 157 cs = 157 × 0.01 s = 1.57 seconds.
2. 42.7 liters (L) to milliliters (mL): Since 1 liter is equal to 1000 milliliters (1 L = 1000 mL), 42.7 L = 42.7 × 1000 mL = 42700 milliliters.
3. 261 nanometers (nm) to millimeters (mm): Since 1 nanometer is 1 × 10-9 millimeters (1 nm = 1 × 10-9 mm), 261 nm = 261 × 10-9 mm = 2.61 × 10-7 millimeters.
4. 0.065 kilometers (km) to decimeters (dm): Since 1 kilometer is 10000 decimeters (1 km = 10000 dm), 0.065 km = 0.065 × 10000 dm = 650 decimeters.
5. 642 centigrams (cg) to kilograms (kg): Since 1 centigram is 1 × 10-5 kilograms (1 cg = 1 × 10-5 kg), 642 cg = 642 × 10-5 kg = 6.42 × 10-3 kilograms.