Question

1) 1.32x10^4 ÷ 2.64×10^3

2)(1.75x10^2) × (1.0×10^-12)
3)1.43×10^8 ÷ 2.3×10^6
4)1.43×10^8 ÷ 4.88×10^6
5)name the planets (including pluto) in order from smallest to largest.
Mercury 4.88×10^6
Venus 1.21×10^7
Earth 1.28×10^7
Mars 6.79×10^6
Jupiter 1.43×10^8
Saturn 1.2×10^8
Uranus 5.12×10^7
Neptune 4.96×10^7
Pluto 2.3×10^6

Answer 1

5.) Pluto, Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter.
I don't know 1,2,3 and 4.