Which of the following demonstrates the commutative property across multiplication for 2× 10 × 7A. 10 ×7 × 2
B. 2 × (10 × 7)
C. (2 × 10) × 7
D. 2 + 10 × 7

Answers

Answer 1

Answer: Its A. Kelp dont you dare.

Answer 2

Answer: Hey there, commutative property is when you mix up the numbers but you will still the same answer. 2*10*7=140. 10*7*2=140. Therefore, the answer would be A. 10*7*2

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Dixon and his little sister Ariadne stand next to each other on the playground on a sunny afternoon. Their mother measures their shadows. Dixon's shadow is 18 feet long and Ariadne's shadow is 15 feet long. If Dixon is 6 feet tall, how tall is Ariadne?

Answers

Ariadne is 5 feet tall because 18 is 6x3 which would mean you would have to divide 15 by three to get the answer which is 5.

She would be 5ft tall because if you set the problem up in a ratio and cross multiple and divide 5 is your answer

A flower garden is in the shape of a parallelogram. The base of the parallelogram is eight feet, and it's height is five feet. What is the Area of the parallelogram

Answers

area of a paralleligram equalls height into base. in this case it would be 8×5.

area=h×b
=8×5
=40feet squared
answer= 40 feet squared
hope this helps.....

Explain how the position of the decimal point changes in a quotient as you divide by increasing powers of ten.

Answers

When you divide by increasing powers of ten, the decimal moves one digit to the left.

Example:
1/10=0.1
1/100=0.01
1/1000=0.001

As the powers of ten increases, the decimal moves to the left.

each time you times a number with a decimal point by 10 the point will move to right one space

System Of Equations Elimination Method1. -3x+10y=11, -8x+2y=-20
2. 4x+16y=-19, -8x+2y=10
3. 2x+6y=-2, -x+2y=6
4. -8x-y=-13, 5x-3y=-10
5. -4x+6y=4, -x+8y=1
6. -x+y=-5, 7x-3y=23
7. -9x-5y=26, 4x-4y=-24

Answers

1. x = 3, y = 2
2. x = -99/68, y = -14/17
3. x = -4, y = 1
4. x = 1, y = 5
5. x = -1, y = 0
6. x = 2, y = -3
7. x = 14, y = 20

I attached the pictures with the work.

Round 2.56×0.03 to the nearest hundredth