7. Suppose you have 60 pennies arranged into 12 stacks with 5 pennies in each stack. The 12 stacks are arranged into 3 rows with 4 stacks in each row as shown in Figure 4.24. For each of the following expressions, explain how to see the pennies grouped so that the expression describes the total number of pennies according to that grouping. Your explanation of the grouping should not involve rearranging the pennies. a. 3 X (4 X 5) b. (3 X 4) X 5 с. 5 X (3 X 4) d. 4 X (3 X 5) m- on 2, nd ng ain

Q: y 35 1 N 34

A:

Q: all the way to $100 it equals 1.925. None of my calculations show 4.9875 where is this particular…

A: Gain (x) $2000 $1000 $500 $250 $100 -$5 Probability P(x) 12000 12000 12000 12000 12000 19952000…

Q: Find A. A = (3A)-1 [ -3-2 4 2

A: Let us consider that                     A=abcdWe have                   (3A)-1=-3-242 ⟹…

Q: -5.4 + 9.5

A:

Q: (1. 2) (3.-2) (-1.-2) (4.-3)

A: Integral of a function from a to b= area of the function from x=a to x=b

Q: Subtract. 4 1/3- 3 4/9

A: First, we convert the mixed fractions into improper fractions

Q: 4. The number of tiles used on the floor were twelve times the square of the length of the floor. W…

A:

Q: How did you fill out the table?

A: We need to answer , how to fill the given Anova table.

Q: 6. -8 3s+5 1. %3D

A:

Q: how much is 2*2

A: The question is asking for the product of 2 and 2.

Q: what is five tmes 2

A: Five time 2 means multiplication of 5 and 2

Q: 6. x - 4y = 16 y 2

A:

Q: 10 x -7.4

A: Given expression is (-10) multiply by(-7.4)=74.0

Q: Which of the following is not a simplification of the combination 6 dimes, 1 dollar bill, and 3…

A: Given combination,  6 dimes, 1 dollar bill, and 3 nickels To find the simplification of combination.…

Q: SET B 2. Kara, Tia, and Max formed a team for a trivia contest. Their final score is determined by…

A: The answer is in step 2.