Question and answer
Evaluate 5x + (-2x 2) for x = 3.
Question|Asked by kimmymunro2001
Asked 8/18/2016 1:24:22 PM
Updated 5/4/2018 8:24:42 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [5/4/2018 8:24:13 AM]
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User: Evaluate 5x + (-2x 2) for x = 3.

Weegy: 5x + (-2x^2) for x = 3;
= (3) + (-2(3^2))
= 15 + (-2)(9)
= 15 - 18
= -3
Expert answered|Andrew.|Points 64291|

User: A spaceship traveled 81 billion miles. In scientific notation that is _____ miles.

Question|Asked by kimmymunro2001
Asked 8/18/2016 1:24:22 PM
Updated 5/4/2018 8:24:42 AM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [5/4/2018 8:24:13 AM]
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A spaceship traveled 81 billion miles. In scientific notation that is _____ miles. 8.1 x 10^10.
Added 5/4/2018 8:24:42 AM
This answer has been confirmed as correct and helpful.
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