1) Let's write those numbers in scientific Notation. Check below for the answers:
a) 0.045834
[tex]4.5834\cdot10^2[/tex]b) 0.03054
[tex]3.054\cdot10^2[/tex]c)438,904
[tex]4.38904\cdot10^{-2}[/tex]d) 7,004,300,000
[tex]7.0043\cdot10^{-9}[/tex]Remember to count the digits to the right or to the left. To the right positive exponent to the left negative exponent.