To evaluate an expression means to find its numerical value. A power consists of a base and an exponent.
According to the order of operations, operations inside parentheses (or other grouping symbols) are performed first, followed by the evaluation of powers ... then (*/) and (+-).
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"Evaluate" means to calculate - find out what value it has.
An number with a x after mean multiply, so it would be 4x12=48
it can either mean the number e raised as an exponent or it can mean just simply and exponent.
Basically, in an exponential expression (or equation) you have the independent variable in the exponent. For example: 5 times 10x The general form of an exponential function can be written as: abx or: aekx where a, b, and k are constants, and e is approximately 2.718. Note that just having a power doesn't mean you have an exponential equation. For example, in x3 the variable does NOT appear in the exponent, so it is not an exponential expression.
anything to the 0-ith power is 1