Respuesta :

I'm supposing you need to compare the numbers using >, <, or =  (If it isn't let me know)

4.5*10^6 is equal to 4500000.

2.1*10^8 is equal to 210000000.

210000000 is obviously bigger than 4500000.

Thus, 4.5*10^6 < 2.1*10^8