MHB Rules of Exponents (4)^(1/5) * (4)^(1/5)

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The discussion clarifies the calculation of (4)^(1/5) * (4)^(1/5), confirming that it simplifies to 4^(2/5). Participants agree that both 4^(2/5) and 2^(4/5) are correct representations of the same value. The equivalence is explained by recognizing that 4 can be expressed as 2^2, leading to the conclusion that 4^(2/5) equals 2^(4/5). This highlights the concept that different forms can represent the same number in exponentiation. The conversation emphasizes understanding the underlying relationships between bases and exponents.
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Rules of Exponents

(4)^(1/5) * (4)^(1/5)

4^(1/5) + (1/5)

4^(2/5)

Correct?

Is the answer 2^(4/5)?
 
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Yes, everything you posted is correct. (Yes)
 
MarkFL said:
Yes, everything you posted is correct. (Yes)

What is the difference between 4^(2/5) and 2^(4/5) as the answer?

How can both answers be correct?
 
RTCNTC said:
What is the difference between 4^(2/5) and 2^(4/5) as the answer?

How can both answers be correct?

They are just different form for the same number...just like 2^4 and 4^2 can both represent 16. :D
 
I hope that you know that 4= 2^2! So 4^{2/5}= (2^2)^{2/5}= 2^{4/5}.
 
Thank you everyone.
 
I have been insisting to my statistics students that for probabilities, the rule is the number of significant figures is the number of digits past the leading zeros or leading nines. For example to give 4 significant figures for a probability: 0.000001234 and 0.99999991234 are the correct number of decimal places. That way the complementary probability can also be given to the same significant figures ( 0.999998766 and 0.00000008766 respectively). More generally if you have a value that...

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