Answer: 273 cm, 300
Step-by-step explanation:
Given
The length of each sea creature is [tex]3.9\times 10\ cm[/tex]
for 7 microscopic creature, it is
[tex]\Rightarrow 7\times 3.9\times 10\\\Rightarrow 273\ cm[/tex]
The distance of Neptune from the sun is [tex]2.794\times 10^9\ \text{miles}[/tex]
and the earth is [tex]9.3\times 10^7\ \text{miles}[/tex] from the sun
Comparison of neptune and earth distance
[tex]=\dfrac{2.794\times 10^9}{9.3\times 10^7}\\\\=0.300\times 10^2\\=300.4[/tex]
Neptune is 300 times farher away form the sun than earth