Answer:
250{n}^{31}
Step-by-step explanation:
[tex](0.5 {n}^{5} )^{2} (10 {n}^{7} )^{3} \\ = (0.5)^{2}{n}^{5 \times 2} \times (10)^{3} {n}^{7 \times 3} \\ = 0.25{n}^{10} \times 1000{n}^{21} \\ = 0.25 \times 1000 {n}^{10 + 21} \\ = 250{n}^{31} [/tex]
