This is a property of numbers quiz i feel like i have them right but i dont wanna submit it and get them all wrong
Which statement is an example of the identity property of multiplication?
8x0=0
8x1=8 <----
8x-1=-8
-8x-1=8
What is another way to write -3x(4+7)
-3x4+7
-3x4x7
-3x4+4+x7
-3x4+(-3) x 7 <------
Which property is represented by 5 + (-8) = -8 +5
identity
associative
commutative <----
distributive
what is the solution to any problem that involves the multiplication property of zero
1
0 <----
-1
-2
How could you rewrite the expression (-3+5) + 8 + (-1)
-3-3+(5+1)
(-3+(-1)) + (5+8)
-3+(5+8) + (-1) <----
5+8+3+1
Thankyou!
ok so the last one i dont have that question. i have"how could you rewrite the expression (3+5) +8 using the associative property of addition?
(1 point)
A.3+8+5
B. 8+3+5
C. 3+ (5+8)
D. 5+3+8
so yeah everything else is right...the last one 3+(5+8)
To check your answers and make sure you're correct, here's how you can solve each problem:
1. The identity property of multiplication states that any number multiplied by 1 will result in the same number. So, to solve this problem, you need to multiply 8 by different numbers and see which one gives you a result of 8:
- 8x0 = 0
- 8x1 = 8 (This is correct since it follows the identity property of multiplication)
- 8x(-1) = -8
- (-8)x(-1) = 8
2. To rewrite the expression -3x(4+7), you need to apply the distributive property of multiplication over addition/subtraction. This property states that when a number is multiplied by a sum/difference, it can be distributed to each term inside the parentheses. So, the correct way to rewrite it would be:
-3x(4+7) = -3x4 + (-3)x7 = -12 + (-21) = -33 (This is the correct answer)
3. In the equation 5 + (-8) = -8 + 5, you need to identify which property is being represented.
- The identity property states that any number added to 0 will result in the same number. This doesn't apply in this case.
- The associative property states that changing the grouping of the numbers being added will not change the sum. This doesn't apply in this case either.
- The commutative property states that changing the order of the numbers being added will not change the sum. This applies in this case because changing the order from 5 + (-8) to (-8) + 5 still gives you the same result. So, the correct answer is commutative.
4. The multiplication property of zero states that any number multiplied by 0 will result in 0. So, the solution to any problem involving this property will always be 0. The correct answer is 0.
5. To rewrite the expression (-3+5) + 8 + (-1), you need to apply the associative property of addition, which states that changing the grouping of the numbers being added will not change the sum. So, the correct way to rewrite it would be:
(-3+5) + 8 + (-1) = -3 + (5+8) + (-1) = -3 + 13 + (-1) = 9 (This is the correct answer)
By following the explanations and steps provided, you can double-check your answers and verify if they are correct.