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natka813 [3]
3 years ago
14

When using re-grouping to solve 21 x 43, what are the four products that would be calculated and then added?

Mathematics
2 answers:
Butoxors [25]3 years ago
7 0
The third one because 21 times 43 is 903 and 800 + 40 + 60 + 3 = 903
pshichka [43]3 years ago
3 0

Answer:

c

Step-by-step explanation:

21×43

=(20+1)×(40+3)

=800+40+60+3

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Fill in the blank.
natima [27]

The correct answer is: Commutative Property

Further Explanation:

The commutative property states that the order of number doesn't matter and changing the order of numbers or variables will produce the same result.

<u>Commutative Property of Addition:</u>

The Commutative Property of addition means that an expression can be written as a + b = b + a.

<u>Commutative Property of Multiplication:</u>

The Commutative Property of multiplication means that an expression can be written as a • b = b • a

Hence, the correct answer is: Commutative Property

Keywords: Commutative property, addition, multiplication

Learn more about Properties at:

  • brainly.com/question/10081622
  • brainly.com/question/10341324

#LearnwithBrainly

4 0
3 years ago
-2.8 repeating as a fraction
Marizza181 [45]
0.8888888 = 8/9
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3 0
3 years ago
Which expression shows the result of applying the distributive property to 3(1/5 x - 1/7)
steposvetlana [31]

Answer:

o.6x- 0.42857142857

Step-by-step explanation:

7 0
3 years ago
What equation could be used to find the area of the stage in square meters ?
Novay_Z [31]

Answer:

The equation you would use is лr² (pi times radius squared).

The area of the stage would be 1963.5 square meters or 625л square meters

3 0
2 years ago
Find the length of side x in simplest radical form with a rational denominator.
olga_2 [115]

Answer:

10

Step-by-step explanation:

\sin 30\degree = \frac{5}{x}\\\\ \frac{1}{2}= \frac{5}{x}\\\\x = 5\times 2\\\\x = 10 \\

6 0
2 years ago
Read 2 more answers
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