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Q: When rewriting an exponential expression with a negative exponent and a positive base to an expression containing only a positive exponent does the sign of the base change?

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The exponent for a factor is the number of times that the factor appras in the multiplication. An exponent of 1 is not usually written out. So, 2*2*2*3*3*3*3*5 = 23*34*5

However many variables there are is the exponent. 2x2x2x2x2x2x2 = 2^7 3x3x3 = 2^3 etc.

You can but it has no particular significance.

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.

An exponential expression is a problem with no answer usually used to answer a question such as, Find the Value ; 2 as a base and 5 as an exponent.; The answer would be 32 because to find the value of an exponent you multiply the number in the base by itself as many times that it says in the exponent.Ex: 2*2*2*2*2=32

While this is not the complete definition, an exponential expression has the variable (for example, "x") in the exponent.

Give another name of exponent

exponential

Then, if the exponent is a positive integer, the value is 1 multiplied by the base repeatedly, exponent times. If the exponent is a negative integer then it is the reciprocal of the above value.In either case, it is NOT the base multiplied by itself an exponent number of times.

xx = x2 In exponential form the expression becomes x2y. Technically, it would be correct to write x2y1 but, an exponent of 1 is simply omitted in ordinary mathematics.

An expression is non polynomial if it has : negative exponent fractional exponent variable exponent in the radicand

written with an exponent

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