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.

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Place the following steps in order to complete the square and solve the quadratic equation,