1. What are the other names for an exponent ?
An exponent is sometimes called a power or index.
2. What is the value of x1?
The value of x1 is x.
The value of any number or variable to the power of 1 is the same as the base.
3. When my calculator shows 7.14567 4 what does this mean?
7.14567 04 on a calculator means 7.14567 × 10 4 which equals 71456.7
4. Can you find the square root of a negative number?
Normally no, because two negative numbers multiply to give a positive one. (Advanced mathematics finds a way around this.)
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
