What does standard form mean in math?

Standard Form is defined as the most common way that is accepted.

Answer: Standard form meaning is maths is defined as representation or notation of that particular element.

It depends on the subject whether it is numbers, an equation or a line.

Explanation:

The standard form of a straight line is Ax + By = C

The standard form of a quadratic equation is ax² + bx + c

The standard form of a polynomial is writing it in the decreasing order of its exponents.

The standard form of writing a number: 4530000000 = 4.53 billion

When we say the earth is 4530000000 years old, we express it as 4.53 billion years old. 

Therefore, the standard form is defined as the representation or notation of that particular element.