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lesantik [10]
2 years ago
8

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

(10 × 7)   C. 10 ×7 × 2   D. (2 × 10) × 7
Mathematics
2 answers:
Yuliya22 [10]2 years ago
3 0

The correct answer is C. 10×7×2

jolli1 [7]2 years ago
3 0

Answer:

Option C is correct

10 \times 7 \times 2

Step-by-step explanation:

Commutative property of multiplication states that you can multiply number in any order.

For example:

2 \times 3  = 3 \times 2

3 \times 4 \times 5 = 4 \times 5 \times 2

Given that:

2 × 10 × 7

By definition Commutative property of multiplication,

⇒10 \times 7 \times 2

Therefore, 10 \times 7 \times 2 demonstrates the commutative property across multiplication for 2 × 10 × 7

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Order the expressions from least value to greatest value.
trasher [3.6K]
You have to answer all of the equations first

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2 1/4 + (-1 2/5) first find a common denominator, which would be 20

9/4= 45/20
-7/5 = -28/20

since adding a negative is the same as subtracting a positive, you would subtract 45 and 28 which is 17.

17/20 = 1 3/20 (the answer)

turn the fraction into a decimal by dividing the top number by the bottom number, so 17/20 = 0.85


4.92 divided by -3 equals -1.64 (the answer)


-2 3/5 - (-1 2/5)

make them into improper fractions which is -13/5 and -7/5

it stays negative, so the answer is -6/5 or -1.2

so the answer is
-4.8 • 3.2 < 4.2 divided by -3 < -2 3/5 - (-1 2/5) < 2 1/4 + (-1 2/5)

7 0
2 years ago
Given the graph below, find PQ
Neporo4naja [7]

Answer:

(-5, -1) = P (2, -5) = Q

Step-by-step explanation:

5 0
2 years ago
Step A: = –c + = Step B: = Determine the justification for the steps from the derivation of the quadratic formula. Justification
kompoz [17]
The correct answers are common denominator and multiplication property of equality.

Hope this helps! It was correct for me!
8 0
2 years ago
Read 2 more answers
a flower garden is in the shape of a right triangle. The longest side of the triangle measures 13 meters. One of the shorter sid
netineya [11]
The answer is 10.4 Hope this helps
7 0
2 years ago
Read 2 more answers
Nandini makes 'halwa' one evening and divides it into four equal portions for her family of four. However, just as they are abou
wel

Answer:

5%

Step-by-step explanation:

Total 'halwa' made = 1

Divided into four equal portion = 1/4

Arrival of an unexpected guest = 1/5

By what percentage has each family member's share been reduced:

Change in the sharing proportion:

Previous share ratio - new sharing ratio

(1/4 - 1/5) = (5 - 4) / 20 = 1/20

That means total reduction in the sharing = 1/ 20

Since each member comes contributed equally:

Reduction in each family member's share ;

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Percentage reduction:

(Reduction / original share) * 100%

[(1/80) ÷ (1/4)] * 100

(1/80 * 4/1) * 100%

(1/20) * 100%

= 5%

Reduction in each family members share = 5%

3 0
2 years ago
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