Please help me with is question

Answer:
[tex]{1.8 \times 10}^{10} \: opton \: b. \: is \: correct[/tex]
Step-by-step explanation:
[tex] {1.5 \times 10}^{6} \times 12000 = \\ {1.5 \times 10}^{6} \times {1.2\times 10}^{4} = \\ {1.8 \times 10}^{10}[/tex]
Answer: B
Step-by-step explanation:
Keep writing the equation until you get to lowest terms.
[tex]15[/tex] × [tex]10^{6}[/tex] × [tex]12,000[/tex] =
[tex]15[/tex] × [tex]10^{2}[/tex] × [tex]1.2[/tex] × [tex]10^{4}[/tex] =
[tex]1.8[/tex] × [tex]10^{10}[/tex]
The answer is option B.