Since there were four zeros in the original equation, your final answer for this example is 240,000. This is how mental math ...

In 1843, William Rowan Hamilton had a four-dimensional flash of insight that still shapes our three-dimensional world.

Use Shortcuts to Write Math Notations Quickly . As you probably gathered from the example above, typing equations in Google ...

In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

A formula is a mathematical rule or relationship that uses letters to represent amounts which can be changed – these are called variables. For example ... as do equations, so it can sometimes ...