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1. What are the other names for an exponent ?
An exponent is sometimes called a power or index.
2. What is the value of x0?
The value of x0 is 1.
The value of any number or variable to the power of 0 is equal to 1.
3. When my calculator shows 7.14567 4 what does this mean?
7.14567 04 on a calculator means 7.14567 × 104
4. Is it possible to have a negative index?
Yes. A negative index involves taking the reciprocal of the variable. e.g. 
5. How do I use my calculator to evaluate an index such as 56?
Use the button xy. To evaluate 56 :
press 5
then xy
then 6
then =
The answer should be 15625
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