Homework Help: math

Posted by tombasketball on Tuesday, February 19, 2013 at 5:18pm.

a=9 b=2 c=5 d=3

2ab to the second power - cd =

math - tombasketball, Tuesday, February 19, 2013 at 5:20pm
i got 1,281
math - Ms. Sue, Tuesday, February 19, 2013 at 5:33pm
Right.
math - Reiny, Tuesday, February 19, 2013 at 6:41pm
Could be a problem here ....

The way you said it according to the order of operation :
2ab^2 - cd
= 2(9)(2^2) - 5(3)
= 72 - 15
= 57

The way it was interpreted:

(2ab)^2 - cd
= (2(9)(2))^2 - 5(3)
= 36^2 - 15
= 1281

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