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slimplify this equation 8(2.5 x 10^-9) you cant have a negative exp in the answer

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matthew1213 | Student, Grade 9 | eNotes Newbie

Posted November 2, 2011 at 12:28 PM via web

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slimplify this equation

8(2.5 x 10^-9)

you cant have a negative exp in the answer

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samhouston | Middle School Teacher | (Level 1) Associate Educator

Posted November 2, 2011 at 12:55 PM (Answer #1)

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8(2.5 x 10^-9)

same as...

8 x (2.5 x 10^-9)

According to the Commutative and Associative Properties of Multiplication, you can reorder and regroup factors.

(8 x 2.5) x 10^-9

20 x 10^-9

0.000000002

or

1/(20 x 10^9)

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