Chapter 2: Q2. (page 66)
Explain how the commutative and associative properties of multiplication can help you evaluate the product mentally
Chapter 2: Q2. (page 66)
Explain how the commutative and associative properties of multiplication can help you evaluate the product mentally
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Get started for freeEvaluate the expression using the distributive property and mental math.
Use the distributive property to write an equivalent variable expression.
Use the distributive property to write an equivalent variable expression.
Are equivalent variable expressions? Explain.
Extended Problem Solving For a cylindrical corn silo with the dimensions shown, the weight W (in pounds) of the corn silage inside is typically given by , where d is the distance (in feet) from the top of the corn to the top of the silo.
a. Use the distributive property to write the given formula without parentheses.
b. Calculate Suppose d 15 feet. What is the weight of the corn in the silo?
c. Interpret and apply how many days will the amount of corn from part (b) last if it is used to feed a herd of 100 cows and each cow eats 10 pounds of corn a day?
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