Question

solve the simplify one pls​

Answer 1

Answer:

it is so hard . i cant solve this.

Step-by-step explanation:

see you later.

Answer 2

Answer:

$\frac{ {3 \times 10}^{5} \times {5}^{2} }{ {5}^{7} \times {6}^{5} } \\ = \frac{ {30}^{5} \times {5}^{ - 5} }{ {6}^{5} } \\ = {(30 \div 6)}^{5} \times {5}^{ - 5} \\ = {5}^{5} \times {5}^{ - 5} \\ = {5}^{(5 + ( - 5)} \\ = {5}^{0} \\ = 1$