Pleeeeease help!!
What is the value of the expression when a = 4?
2a exponent 3
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OpenStudy (anonymous):
|dw:1407977780432:dw|
OpenStudy (anonymous):
Answer is 128
OpenStudy (camerondoherty):
can you solve
2(4)^3? because all you needa do is sub a for 4
OpenStudy (anonymous):
could you explain @SCARLET_SPIDER
OpenStudy (camerondoherty):
Ill explaing :D
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OpenStudy (anonymous):
Oh okay sorry haha, thanks
OpenStudy (anonymous):
\[(2)4^{2}\]
OpenStudy (camerondoherty):
a = 4
2a^3
substitue a for 4
2(4)^3
OpenStudy (camerondoherty):
Can u solve tht?
OpenStudy (anonymous):
Thay whay I was saying
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OpenStudy (camerondoherty):
No you just gave away the direct answer
OpenStudy (anonymous):
I got an answer but i think its wrong xD
OpenStudy (camerondoherty):
ok so... whats 4*4*4?
OpenStudy (camerondoherty):
aka: 4^3
OpenStudy (anonymous):
64
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OpenStudy (camerondoherty):
yep now whats 64 times 2?
OpenStudy (anonymous):
128
OpenStudy (camerondoherty):
And thats your answer :D
OpenStudy (anonymous):
Ohhhhhhh!! Omg thank you soooo much!!!
OpenStudy (camerondoherty):
You're Welcome c;
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OpenStudy (anonymous):
Okay I have another question im gonna show you it, can you check my answer? c:
OpenStudy (camerondoherty):
Ill see what i can do... Though i do suggest opening a new thread... its against the rules to ask 2 questions in one thread :/ or at least the mods dont like it...
OpenStudy (anonymous):
Oh, okay.
OpenStudy (anonymous):
I ws getting there but you bet me to it
OpenStudy (camerondoherty):
lol
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