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19-02-2019
Mathematics

contestada

Determine the difference: 3.2 × 1010 – 1.1 × 1011 Write your answer in scientific notation.

–7.8 × 1010

B. –7.8 × 1011

C. –7.8 × 10–1

D. –0.78 × 1010

Respuesta :

calculista calculista

01-03-2019

Answer:

[tex]-7.8*10^{10}[/tex]

Step-by-step explanation:

we have

[tex]3.2*10^{10} -1.1*10^{11}[/tex]

we know that

[tex]3.2*10^{10}=0.32*10^{11}[/tex]

substitute

[tex]0.32*10^{11} -1.1*10^{11}=-0.78*10^{11}=-7.8*10^{10}[/tex]

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