# math- exponents

posted by .

i have a quick question...
-3^2
(-3)^2
wat is the difference???
also...
-3^3
(-3)^3
help me plz...thx if u do

• math- exponents -

also...wat if its like -(-5)^2

• math- exponents -

- 3^2 = - 3*3 = -9
(-3)^2 = -3 * -3 = +9

- 3^3 = - 3*3*3 = -27
(-3)^3 = -3 * -3 * - 3 = -27

(-5)^2 = 25
so
- (-5)^2 = -25

• math- exponents -

oh ok...thank u for the help
:)

• math- exponents -

Do everything inside parentheses before doing anything else.

• math- exponents -

in the first, -3^2 is ambigous. IT could mean -9 (the negative of three squared) or 9 (negative three squared).

On the second, in either case it is -9

on the last, -(-5^2)=- 25

• math- exponents -

thnx 4 the help....
:)

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