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Mathematics 10 Online
OpenStudy (anonymous):

Pleeeeease help!! What is the value of the expression when a = 4? 2a exponent 3

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

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

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

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;

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

OpenStudy (anonymous):

x D

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