Give the difference of (7.2 x 10-7) - (4.5 x 10-7)

Mathematics

2 answers:

Alenkinab [10]2 years ago

7 0

The difference is Answer D

pishuonlain [190]2 years ago

3 0

Answer:

2.7 x 10 7

Step-by-step explanation:

This is the correct answer !

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$\bf ~~~~~~~~~~~~\textit{middle point of 2 points }
\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ x &,& y~) 
% (c,d)
&&(~ -9 &,& -1~)
\end{array}\qquad
% coordinates of midpoint 
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\\\\\\
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\boxed{x=25}\\
-------\\
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\boxed{y=29}
\end{cases}$

$\bf -------------------------------\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ x &,& y~) 
% (c,d)
&&(~10 &,& 12~)
\end{array}\qquad
\\\\\\
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\begin{cases}
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\boxed{x=2}\\
-------\\
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12+y=18\\
\boxed{y=6}
\end{cases}$

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Give the difference of (7.2 x 10-7) - (4.5 x 10-7) ​

Give the difference of (7.2 x 10-7) - (4.5 x 10-7)