Answer :

[tex]1\underbrace{6,900}_{\leftarrow4}=1.6900\times10^4=\boxed{1.69\times10^4}[/tex]
TheBlueFox

Hello There!

Scientific notation is a way to write really small numbers or really big numbers.

In this case, 16,900 is scientific notation is 1.69 × [tex]10^{4}[/tex]