Answer:
3.844 x [tex]10^{8} [/tex]
Step-by-step explanation:
Count the number of spaces to move the decimal point to the left until it is just after the 3:
384400000.
38440000.0 x 10
3844000.00 x 10 x 10 [tex]10^{2} [/tex]
384400.000 x 10 x 10 x 10 [tex]10^{3} [/tex]
etc.