Dividing by a nonzero number is equal to multiplying by the reciprocal of the number______ (judge right or wrong)

Dividing by a nonzero number is equal to multiplying by the reciprocal of the number______ (judge right or wrong)


According to the law of fractional division, the saying that "dividing by a non-zero number is equal to multiplying by the reciprocal of the number" is correct



How many cubic meters is 300 cubic decimeters equal to


1 cubic meter = 1000 cubic decimeter
So 300 cubic decimeter = 0.3 cubic meter



How much does a cubic meter of soil weigh and a cubic meter of water weigh?


The general density of soil is 1.4 g / cm3 and 1.4 tons per cubic meter
The density of water is 1.4 g / cm3, 1 cubic meter is 1 ton