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

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15 May, 06:22

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Lena Parsons · Answer 1

(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