I have been struggling to figure out how this anwer is performed.
2^(4-1)^2
------------
2^3-2
Answers
a). 2^8
b). 2^7
c). 2^5
d). 2^3
e). 2^1
The correct anwer is (a), but I have no idea how they got there!!
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mikeclarke44
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Neo2000
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Simplify the powers firstmikeclarke44 wrote:I have been struggling to figure out how this anwer is performed.
2^(4-1)^2
------------
2^3-2
So you get (4-1)^2 = 3^2 = 9 Therefore in the Numerator you get 2^9
Similarly in the Denominator you will get 2^1
Hence (2^9)/(2) = 2^8
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mikeclarke44
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I was under the impression that 2^(4-1)^2 did not equal 2^9. That 2^3^2 = 2^6 ???Neo2000 wrote:So you get (4-1)^2 = 3^2 = 9 Therefore in the Numerator you get 2^9mikeclarke44 wrote:I have been struggling to figure out how this anwer is performed.
2^(4-1)^2
------------
2^3-2
Also shouldn't the denominator be 2^(3-2) rather than 2^3-2 ?
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gabriel
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(2^3)^2= 2^(3*2)=2^6 ...mtr wrote:I was under the impression that 2^(4-1)^2 did not equal 2^9. That 2^3^2 = 2^6 ???Neo2000 wrote:So you get (4-1)^2 = 3^2 = 9 Therefore in the Numerator you get 2^9mikeclarke44 wrote:I have been struggling to figure out how this anwer is performed.
2^(4-1)^2
------------
2^3-2
Also shouldn't the denominator be 2^(3-2) rather than 2^3-2 ?
2^(3)^2 or 2^(3^2) = 2^9 ...
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