Respuesta :
D. 50,000 all you have to do is write it in regular standard form (convert) then count how many zeros it has.
4 × 10^7= 40,000,000
and
8×10^3=8,000
so 40,000,000 is greater than 8,000
and
8×10^3=8,000
so 40,000,000 is greater than 8,000