4.21*10 power of -7 - 2.6*10 power of -8

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Asked 5/12/2009 4:06:29 PM

Updated 30 days ago|2/18/2023 1:19:11 AM

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Expert answered|swathi|Points 20|

Question|Rated bad

Asked 5/12/2009 4:06:29 PM

Updated 30 days ago|2/18/2023 1:19:11 AM

1 Answer/Comment

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Solution:

4.21*10 power of -7 - 2.6*10 power of -8 = 3.95e^-7.

4.21*10 power of -7 - 2.6*10 power of -8 = 3.95e^-7.

Added 30 days ago|2/18/2023 1:19:07 AM

This answer has been confirmed as correct and helpful.

sorry2,i've made a mistake...this is the right one...3X(X-2Y)-(3X-Y) power of 2 **Weegy:** 12x2+y2-12xy **User:** if you have a choice between A.-6XY+Y power of 2 B.-6X power of 2-Y power of 2 C.-6x power of 2-6XY+Y power of 2 D.-3X power of 2-9XY-Y power of 2 **Weegy:** What is your question regarding mathematics and equations? **User:** 3X(X-2Y)-(3X-Y) power of 2 **Weegy:** -3x62-12xy+y62 (More)

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Expert Answered

Updated 6/30/2014 10:10:45 AM

1 Answer/Comment

3X(X - 2Y) - (3X-Y)^2

= (3X^2 - 6XY) - (9X^2- 6XY + Y^2)

= -6X^2 - Y^2

= (3X^2 - 6XY) - (9X^2- 6XY + Y^2)

= -6X^2 - Y^2

Added 6/30/2014 10:10:45 AM

This answer has been confirmed as correct and helpful.

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