Expressions with exponents and radicals

1003032107

Level: 
A
The average distance of the Moon from Earth is \( 3.84\cdot10^8\,\mathrm{m} \), and the average distance of Earth from the Sun is \( 1.5\cdot10^{11}\mathrm{m} \). How many times further is it from Earth to the Sun than from Earth to the Moon?
about \( 390 \) times
about \( 39 \) times
\( 3\,900 \) times
about \( 4 \) times

1003032210

Level: 
B
Which of the given numbers belongs to the interval \( (-5;5) \)?
\( 3\left(\sqrt{0.1}\right)^4\cdot\left(\sqrt3\right)^8 \)
\( \left(3\sqrt{5}\right)^2-\left(\sqrt2\right)^6 \)
\( \left(\sqrt3\right)^4-\left(\sqrt2\right)^4 \)
\( 3\left(\sqrt{0.1}\right)^4+\left(\sqrt3\right)^8 \)