1. Is the following statement a good definition? Why?
An integer is divisible by 100 if and only if its last two digits are zeros.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

Which of the following values have 3 significant figures? check all that apply. a. 10.1 b. 100.05 c. 120 d. 129