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Mathematics 16 Online
OpenStudy (sissyedgar):

Math Help!!!

OpenStudy (sissyedgar):

1 sec...

OpenStudy (misty1212):

\[b^{-n}=\frac{1}{b^n}\]so for example \[3^{-2}=\frac{1}{3^2}=\frac{1}{9}\]

OpenStudy (sissyedgar):

OpenStudy (misty1212):

and \[8^{-2}=\frac{1}{8^2}=?\]

OpenStudy (dinamix):

1/64

OpenStudy (sissyedgar):

B or D! i dont know when to tell which!

OpenStudy (dinamix):

B

OpenStudy (misty1212):

why B? @dinamix

OpenStudy (dinamix):

lol cuz 8^-2 = 1/ 8^2 = 1/(8*8) = 1/64 :P

OpenStudy (misty1212):

that's better now we have an explanation instead of just a letter shouted out!

OpenStudy (sissyedgar):

Ty

OpenStudy (dinamix):

u are welcome

OpenStudy (dinamix):

but another time use your mind cuz this thing u can find it your self @sissyedgar

OpenStudy (sissyedgar):

yah, but i always get confused on if the negative part means anything is negative!

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