Step-by-step explanation:
the second one is the answer
[tex] \frac{ {8}^{5} \times {10}^{15} }{ {10}^{9} \times {8}^{2} } = {8}^{5 - 2} \times {10}^{15 - 9} = {8}^{3} \times {10}^{6} [/tex]
