Math

Check my answers please.

1)Which statement is an example of the Identity Property of Multiplication?
a)8 • 0 = 0
b)8 • 1 = 8<<<<
c)8 • –1 = –8
d)–8 • –1 = 8

2)Whats another way to write -3*(4+7)?
a)-3*4+7<<<<<
b)-3*4*7
c)-3*4+4*7
d)-3*4+(-3)*7

3) Which property is represented by 5 + (–8) = –8 + 5?
a)Identity
b)Associative
c)Commutative
d)Distributive<<??

4)What is the solution to any problem that involves the Multiplication Property of Zero?
a)1
b)0<<
c)–1
d)-2

5)5. How could you rewrite the expression (–3 + 5) + 8 + (–1) using the Associative Property of
Addition?
a)–3 – 8 + (5 + 1)<<??
b)(–3 + (–1)) + (5 + 8)
c)–3 + (5 +8) + (–1)
d)5 + 8 + 3 + 1

Please check my answers.

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  1. Not quite.

    1B ok
    2D you lost the - sign
    3C
    4B ok
    5C do not change the order of the numbers. That's Commutative. Plus you changed the 8 to -8.

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  2. yep 100%

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  3. 1. B
    2. D
    3. C
    4. B
    5. C

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    2. 👎 0
  4. where is miss sue

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  5. ROBERT WAS CORRECT FOR CONNEXUS STUDENTS!!!

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  6. coolllllllllllll thanks

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  7. For Connexus quick check Robert is Correct :)

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  8. Which properties were used to write the numeric statement? Select all that apply.

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  9. Which properties were used to write the numeric statement? Select all that apply.

    (
    18

    5
    )
    +
    (
    432
    ×
    15
    )
    =
    (
    15
    ×
    432
    )
    +
    (
    18

    5
    )
    A.
    Associative Property of Addition

    B.
    Commutative Property of Addition

    C.
    Distributive Property

    D.
    Commutative Property of Multiplication

    E.
    Associative Property of Multiplication

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  10. (18-5)+(432*15)=(15*432)+(18-5)

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  11. A.
    Associative Property of Addition

    B.
    Commutative Property of Addition

    C.
    Distributive Property

    D.
    Commutative Property of Multiplication

    E.
    Associative Property of Multiplication

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