1 Let's convert the density figure to grams per cubic centimeter (g/cm3). You'll have noticed that the density in our example is kg/m3, so we need to divide that figure by 1000 to give us a g/cm3 figure. 920 / 1,000 = 0.92g/cm3.  Next, we need to convert the unit figure from milligrams (mg) to grams (g).
No one law across Canada stipulates how old a child must be to stay home alone, but the Canada Safety Council (CSC) recommends age 10 as a minimum, and that children younger than 12 shouldnât be left in charge of their younger siblings. Manitoba and New Brunswick regulations state that children canât legally be left alone until age 12.
What is the legal age for children to stay home alone overnight? Quick Answer. In the United States, no federal law exists setting an age at which children can stay home along unsupervised, although some states have certain restrictions on age for children to stay home alone as well as duration of unsupervised period.