<span>c) convection currents in the mantle </span>
Just divide the two numbers with each other.
I mean 13/1.4=9.2857...
The gas that gives Neptune and Uranus its amazing blue color is methane
It makes calculations with very large and small numbers easier.
Scientific notation is a system used in order to It makes calculations with very large and small numbers easier. It is useful as it allows very large number that would take a lot of space to write otherwise, and it allows them to be calculated easier.
for example is a incredible large number, but written in this form is immediately understandable and useful for calculation.