Omg guys, I need help with my math hw :(

[PotatoPig]

21 = 1.

Any number to the Power of 0 is 1.

[Emiley]

21 = 1.

Any number to the Power of 0 is 1.

Omg I cant believed I missed that one lol.

[PotatoPig]

Haha if only Ireland had multiple choice questions..

[Emiley]

Haha if only Ireland had multiple choice questions..

Multiple choice is EVIL! OMG I hate it so much.

[PotatoPig]

@(you need an account to see links) At least it shows you the answer and if you work it out beforehand and the answer is one of the multiple choice ones...

[Zachafer]

Is this a real thread

[trix]

@(you need an account to see links)

18) During the drought, the water in the river level fell 16 feet below sea level. The drought ended with a series of heavy rainstorms, and the river level rose 42 feet above sea level. Which equation can be used to find the total feet the river rose?
F. x - 16 = 42
G. x + 16 = 42
H. x - 42 = -16
I. x + 16 = -42

F


20) At the last census, there were approximately six billion, three hundred ninety-two million people in the world. How is this number written using scientific notation?
F. 6.392 x 10 to the 7th power
G. 6.392 x 10 to the 8th power
H. 6.392 x 10 to the 9th power
I. 6.392 x 10 to the 10th power

H

[Emiley]

Oh crud I have more Q's on the back of my paper -_-

[trix]

24) The number of diagonals of an n-sided polygon is 1/2(n to the 2nd power - 3n). How many diagonals would a 12-sided figure have?
F. 6 diagonals
G. 12 diagonals
H. 54 diagonals
I. 108 diagonals

H

25) What is the value of the expression 2n(3n + 8 to the 3rd power) when n = -3
A. -3018
B. -330
C. 1-42
D. 6252
A

27) Solve for x. x 0 5 = 22
A. x = -27
B. x = -17
C. x = 17
D. x = 27

@(you need an account to see links) ^ did you type that one right? Was the '0' meant to be something else?

---------- Post added at 10:54 PM ---------- Previous post was at 10:53 PM ----------

Also 16 is definitely 180

---------- Post added at 10:55 PM ---------- Previous post was at 10:54 PM ----------

And shhh @(you need an account to see links) lol this is hw I can actually *do* and I wants me an official clraikhood to join the ranks of your blue-names (though it's a sort of teal really)

[Zachafer]

You can get almost all these answers from wolframalpha, 0 work