Answer:
A
Step-by-step explanation:
50 plus 50 is the easiest number to add so in the associative property you put the easiest problem in parentheses so you can do it first like answer A is
Answer:Here are some more problems to solve.
Calculate the volume of a paperback book with the following dimensions:
Length = 12 cm
Width = 3 cm
Height = 20 cm
Calculate the volume of a steel bar with the following dimensions:
Length = 5 cm
Width = 2 cm
Height = 30 cm
Now determine the density of the steel bar if its mass is 2.34 kg. (Hint: Convert to grams first.)
A cork has a volume of 5.0 cm3 and a mass of 1.2 grams. Calculate its density.
Water has a density of 1 g/cm3. If you placed a cork and a steel paper clip in a jar of water, what do you think would happen? Use your knowledge of density to explain the outcome.
Step-by-step explanation:
Answer:

Step-by-step explanation:
13 = 5 + 5 + 3





Answer:
9/4
Step-by-step explanation: