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simplify the expression. write the answer using scientific notation. the quantity 0.4 multiplied by 10 raised to the power of negative 6 end of quantity multiplied by the quantity 0.7 multiplied by 10 raised to the power of negative 2 end of quantity. a. 2.8 × 10–8 b. 2.8 × 10–7 c. 0.28 × 10–9 d. 2.8 × 10–9

Respuesta :

nobillionaireNobley
(0.4 x 10^-6) x (0.7 x 10^-2)
= (0.4 x 0.7) x (10^(-6 - 2))
= 0.28 x 10^-8
= 2.8 x 10^-9
swiftyice

Answer:

= 2.8 x 10^-9

Step-by-step explanation:

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