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Mathematics 7 Online
OpenStudy (mmedina51):

Evaluate this exponent expression 3*(means times)(5+4)^2-4^2=

OpenStudy (cas_fangirl_14):

I got 227.

OpenStudy (atrineas):

1.) 3(5+4)^2-4^2 2.) simplify parenthesis 3.) 3(9)^2-4^2 4.) simplify exponents 5.) 3(81)-16 6.) multiply 7.) 243-16 8.) subtract 9.) 243-16= 227

OpenStudy (atrineas):

@Mmedina51

OpenStudy (atrineas):

Does that help?

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