Homework Help: 7th grade math

Posted by Delilah on Wednesday, September 26, 2012 at 7:18pm.

5.
Taylor completed the problem below. Describe and correct the error in the problem.

2Ц4 = Ц2 Х Ц2 Х Ц2 ХЦ2 =16 (1 point)

1. Taylor changed the negative exponent to a negative base.

2. (0 pts) Taylor did not multiply correctly. The answer should be 16.

3. Taylor made the answer positive. It should be Ц16.

1. Taylor did not multiply by Ц1. The problem should be multiply by negative one.

Please explain why the answer is correct. Thanks!

7th grade math - Kyleigh, Thursday, September 27, 2012 at 3:33pm
The answer is obviously 16.
7th grade math - Delilah, Thursday, September 27, 2012 at 7:18pm
Actually it is not... because that is what i told my math teacher and she said it was wrong... thanks anyway, though.

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