Yahir.Q

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3. can someone explain this to me? d cant be constant - its gonna change as a0 changes right?

Where did you find this exercise? Can you be specific (it will be great if you share the link) please!

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3. How do I solve this equivalent expression?

Ok. In the first picture, you get to the 1^5 just because you know that 1 at the power of any positive integer number, that always is going to be 1, and yes, you could use: 1^2 = 1 1^3 = 1 1^4 = 1...

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3. How do I solve this equivalent expression?

Well, what AD Baker says is correct, but also, you can see it like this: 3^-5= 1/3^5 (I just created a fraction to change the sign of the exponent)= 1^5/3^5 (then, I think you agree that 1^5 = 1, s...