Properties of Operations and Zero

What is the distributive property formula used to multiply a whole number and a rational number?

• \( a + b = b + a \)

• \( a - b = b - a \)

• 6

• 7

• 8

• 8.5

• 9.5

• 10.5

• 11.5

• 8

• 8.5

• 9

• 9.5

Malachi has to pack 84 toiletry bags for the homeless shelter. He has packed 1/4 of the boxes. How many bags are left for him to pack?

• 21

• 42

• 63

• 84

Leanne bought 20 pounds of potting soil for her new plants. The soil costs $3.17 per pound. How much did Leanne spend on potting soil?

• $63.40

• $54.20

• $63.70

• $60.00

Thuy has a cookie recipe that calls for 4 1/3 cups of flour. He wants to quadruple the recipe. How much flour should he use?

• 17 1/3 cups

• 16 cups

• 18 cups

• 20 cups

Rochelle walked around the block to exercise. Each lap is 1 3/5 miles. How far did she walk if she walked around the block 4 times?

• 6 2/5 miles

• 5 miles

• 7 miles

• 6 miles

If the product of 2 integers is positive, what must be true about the sign of each factor?

• Both factors are positive.

• Both factors are negative.

• One factor is positive, and one is negative.

• Both factors are zero.

If the product of 2 integers is negative, what must be true about the sign of each factor?

• Both factors are positive.

• Both factors are negative.

• One factor is positive, and one is negative.

• Both factors are zero.