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write the following in scientific notation:(5 • 10^13) (3 • 10^15)

Sagot :

Solution

Step 1

Obey the multiplication law of indices where

[tex]a^b\times a^{d\text{ }}=a^{b+d}[/tex]

So that we will have

[tex]5\times3\times10^{13}\times10^{15}[/tex]

[tex]\begin{gathered} 15\times10^{13+15} \\ =15\times10^{28} \end{gathered}[/tex]

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