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Mathematics 18 Online
OpenStudy (anonymous):

How would you solve this?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

(2^3)^4(2)^4

OpenStudy (anonymous):

\[(2^{3})^{4} (2)^{4}\] Heres a better pic

OpenStudy (anonymous):

\[(2^{3\cdot4})(2)^4=(2^{12})(2)^4=2^{12+4}\]

OpenStudy (anonymous):

Would it be 2^16 or do you leave it like that?

OpenStudy (anonymous):

ye it's 2^16

OpenStudy (anonymous):

@HomeZone You add exponents not multiply them

OpenStudy (anonymous):

PEMDAS

OpenStudy (anonymous):

So first you add the 3 to the first 4?

OpenStudy (anonymous):

\[(8)^4(2)^4\] \[(4096)(16)\]

OpenStudy (anonymous):

\[(a^m)^n=a^{m\cdot n}\]

OpenStudy (anonymous):

and \[(a^m)(a^n)=a^{m+n}\]

OpenStudy (anonymous):

Here are my answers if it helps. A. 2^24 B. 2^9 C. 2^10 D. 2^13

OpenStudy (anonymous):

I know how to do regular exponents but this question kinda threw me off a little.

OpenStudy (anonymous):

None of those answers are correct I just typed the entire function into my calculator and it came out to 65,536

OpenStudy (anonymous):

...ok. Well is there a different way to solve this kind of exponent?

OpenStudy (anonymous):

Ye thats what im saying \[2^16=65536\]

OpenStudy (anonymous):

Typeo* \[2^{16}=65536\]

OpenStudy (anonymous):

The question says: Write as a power of 2

OpenStudy (anonymous):

But that is not an answer... and it isn't a choice

OpenStudy (anonymous):

wellll im just gonna call my regular instructor. This is for a practice test for a test im taking so im sure she could help me.

OpenStudy (anonymous):

None of the aswers you're given are correct, the only way yo write 65536 to the power of 2 is 2^16

OpenStudy (anonymous):

Answers*

OpenStudy (anonymous):

ok well im gonna call and if u want I can let you guys kno what she says and how to solve it.

OpenStudy (anonymous):

Alright first things first, there was a typo and the question says: Write as the power of 2: \[(2^{3})^{2}(2)^{4}\] so there is no first 4. Sorry about that. Now she solved it like this. First you multiply the 3 by the exp 2 to get 6 = 2^6 Then you say that there is an invisible 1 by the second 2. 1 x 4 is 4 leaving us with = 2^4. So now we have 2^6 2^4 and we solve and finish by using addition on the exponents. This gives the answer 2^10. :)

OpenStudy (anonymous):

@HomeZone @AEYES13

OpenStudy (anonymous):

Correct :) \[(2^{3⋅2})(2)^4=(2^6)(2)^4=2^{10}\] A typeo in math can do a lot for the end result :)

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