What is the value of the expression when a = 4?
2a3^
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sammixboo (sammixboo):
First plug in the 4, and is there supposed to be anything after the ^?
OpenStudy (anonymous):
2(4)(3)^__
sammixboo (sammixboo):
2*4*3^?
OpenStudy (anonymous):
hes not answering
OpenStudy (anonymous):
yes
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sammixboo (sammixboo):
What is after the ^
OpenStudy (anonymous):
4
OpenStudy (anonymous):
3*4*2^4
sammixboo (sammixboo):
OKay..
\(\sf \large \color{magenta}{2~x~4~x~3^4}\)
Fist we do the exponents. What is \(\sf \large \color{magenta}{3^4}\)?
sammixboo (sammixboo):
You cannot switch the numbers up @maybell
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OpenStudy (anonymous):
12
sammixboo (sammixboo):
It has to be in that same exact order
sammixboo (sammixboo):
No what is \(\sf \large \color{magenta}{3^4}\) which is \(\sf \large \color{magenta}{3~x~3~x~3~x3}\)
sammixboo (sammixboo):
?
OpenStudy (anonymous):
18
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sammixboo (sammixboo):
\(\sf \large \color{magenta}{3~x~3~x~3~x~3}\) = \(\sf \large \color{magenta}{81}\)
So now we take \(\sf \large \color{magenta}{81}\) and put it where \(\sf \large \color{magenta}{3^4}\) was in the problem lik so...
\(\sf \large \color{magenta}{2~ x ~4 ~x81}\)
sammixboo (sammixboo):
Now what is \(\sf \large \color{magenta}{2~x~4}\)
OpenStudy (anonymous):
8
sammixboo (sammixboo):
Okay now we take \(\sf \large \color{magenta}{8}\) and put it where \(\sf \large \color{magenta}{2~x~4 }\) was like so
\(\sf \large \color{magenta}{8~x~81}\)
sammixboo (sammixboo):
What is \(\sf \large \color{magenta}{8~x~81}\)?
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OpenStudy (anonymous):
648
sammixboo (sammixboo):
And that is your answer
OpenStudy (anonymous):
you sure
sammixboo (sammixboo):
Yes put 2 x 4 x 3^4 in the calculator
sammixboo (sammixboo):
It will equal 648
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OpenStudy (anonymous):
if u r right ill give u a medal
OpenStudy (anonymous):
it was 128
sammixboo (sammixboo):
If you put 2 x 4 x 3^4 in the calculator it will equal 648 not 128
sammixboo (sammixboo):
How can it be 128?
sammixboo (sammixboo):
Unless you wrote the problem wrong on here 2 x 4 x 3^4 = 648
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