Question

Ordering Scientific Notation Values
The mass of Earth is made up of these parts.

oceans     1.4 × 1021kg

crust      2.6 × 1022kg

atmosphere   5.1 × 1018kg

mantle     4.043 × 1024kg

outer core   1.835 × 1024kg

inner core   9.675 × 1022kg

What is the order, from least to greatest, of the masses of each part of Earth? Order the parts from least to greatest, with 1 being the smallest mass and 5 the greatest mass.

1. Atmosphere

2.
3.
4.
5.
6.

Answer 1

1. Atmosphere (5.1 × 10^18 kg)
2. Oceans (1.4 × 10^21 kg)
3. Crust (2.6 × 10^22 kg)
4. Inner core (9.675 × 10^22 kg)
5. Outer core (1.835 × 10^24 kg)
6. Mantle (4.043 × 10^24 kg)