Question

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

Answer 1

Step 1

Obey the multiplication law of indices where

`a^b* a^{d\text{ }}=a^(b+d)`

So that we will have

`5*3*10^(13)*10^(15)`

`\begin{gathered} 15*10^(13+15) \\ =15*10^(28) \end{gathered}`