Which number is greatest?

Answer:
[tex]6.23 \times 10 {}^{12} [/tex]
Step-by-step explanation:
[tex]6 .23\times 10 {}^{12} [/tex]
[tex]6.23 \times 1000000000000 \\ 6230000000000[/tex]
Answer:
A
Step-by-step explanation:
10 exponent 12 = 10000000 repeating
6.23x10000 = 623000 repeating
I think this is the answer