Question

Which of the following pairs of numbers are different -2(4) upper 2 and 2(-4) upper 2 -7 upper 3 and (-7) upper 3 4 upper 2 and (4) upper 2 -3(5) upper 3 and 3(-5) upper 3

Answer 1

The pairs of numbers that are different are -2(4)^2 and 2(-4)^2, 4^2 and (4)^2, and -3(5)^3 and 3(-5)^3.

Step-by-step explanation:

The pairs of numbers which are different are -2(4)^2 and 2(-4)^2, 4^2 and (4)^2, and -3(5)^3 and 3(-5)^3.

Let's evaluate each pair:

1. -2(4)^2 = -2(16) = -32
2. 2(-4)^2 = 2(16) = 32
3. 4^2 = 4*4 = 16
4. (4)^2 = 4*4 = 16
5. -3(5)^3 = -3(125) = -375
6. 3(-5)^3 = 3(-125) = -375

As we can see, the values of each pair are different, so these pairs are different.

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