Every number can be expressed using an exponent. You select a base, b, which should be a positive real number. Suppose the number is x.
If this number is negative, then its exponent form will have a negative sign before it.
The absolute value of the number is converted to the exponent form by solving x = b^y where y is the exponent. However, you need to know about logarithms before you can do that (and this question suggests that you have not yet progressed to that level of mathematics).
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A power.
Scientific Notation is expressed by using a number, using an exponent as a number (usually a decimal) multiplied by a 10, and an exponent (the number on the exponent is the number of zeros the number has).Example: 120,000,000 in scientific notation is 1.2 X 107
It is a number expressed in "standard form".
The multiple expressed by an exponent?aswner:a power
Numbers expressed using exponents are called powers. When writing a number expressed as an exponent, the number is called the base.