Dizzy101 Dizzy101

28-09-2017
Mathematics

contestada

(2.5×10^−10)(7×10^−6)
Express your answer in scientific notation.
A. 1.75×10^16
B. 1.75×10^−15
C. 1.75×10^−16
D.1.75×10^−17

Respuesta :

choixongdong choixongdong

28-09-2017

(2.5×10^−10)(7×10^−6)
= (2.5 x 7) (10^−10 x 10^−6)
= 17.5 x 10^-16
= 1.75 x 10^-15

answer
B. 1.75×10^−15

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