Relax

Respuesta :

(2.5*10^-8)(9*10^-10)

First, distribute a 1 so you can get rid of parentheses

2.5*10^-8*9*10^-10

Now, combine like terms

(2.5*9) (10^-8*10^-10)
2.25*10^-18
nsmendesarmyc
the best answer is the first one

 
hope it helps

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