Compare (-4)^2)^2 vs -(4^2)^2: Exponent Order Challenge

Which is larger?

((4)2)2((4)2)2 ((-4)^2)^2⬜(-(4)^2)^2

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Place the appropriate sign
00:04 First, let's calculate the sign
00:07 Even power, so the sign will be positive, let's calculate the power
00:14 Now let's calculate the sign of the second power
00:18 Even power, so the sign will be positive, let's calculate the power
00:27 Any negative number squared equals a positive number
00:33 We can see that the numbers are equal
00:38 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Which is larger?

((4)2)2((4)2)2 ((-4)^2)^2⬜(-(4)^2)^2

2

Step-by-step solution

To solve this problem, we must calculate both expressions step-by-step:

First, consider the expression ((4)2)2(( -4)^2)^2:

  • Evaluate (4)2(-4)^2:
    (4)2=(4)×(4)=16(-4)^2 = (-4) \times (-4) = 16.
  • Now, evaluate 16216^2:
    162=16×16=25616^2 = 16 \times 16 = 256.

The value of ((4)2)2(( -4)^2)^2 is 256256.

Next, consider the expression ((4)2)2(-(4)^2)^2:

  • Evaluate (4)2(4)^2:
    42=4×4=164^2 = 4 \times 4 = 16.
  • Now, consider the negative sign: (4)2=(16)=16-(4)^2 = -(16) = -16.
  • Evaluate (16)2(-16)^2:
    (16)2=(16)×(16)=256(-16)^2 = (-16) \times (-16) = 256.

The value of ((4)2)2(-(4)^2)^2 is 256256.

Therefore, the two expressions are equal.

Conclusion: The correct choice is (=)(=).

3

Final Answer

= =

Practice Quiz

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\( (-2)^7= \)

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