Answer:
The gram and kilogram are two units used to measure mass in the metric system . From the gram, we get the rest of the metric units using the standard metric prefixes. A paper clip has a mass of about 1 gram. A 1 liter bottle of water has a mass of 1 kilogram (plus a little bit extra for the plastic).
No it is undefined when the number reaches to zero.
20,000÷50=

The plane needs to descend at 400 ft per mile.
At 40 degrees?
Divide the first one by the second and the answer will be B.
1/4 because you just divde the numerator and the denominator by 12