Positive exponent? An index would imply that the base, x, had a fractional exponent.
My Dear Aunt Sally used to say, "If there's a negative exponent in your face, then flip your base!"
In other words, if the exponent is negative, take the reciprocal of the base, x →

and change the exponent to positive.
Therefore:

I have cross the fraction bar line change the exponent sign.
Answer:
the mean of it all will increase
Step-by-step explanation:
The answer is 1 6/25. This is in simplest form.
Answer:
3: x = 22.5
4: x = 3.75
Step-by-step explanation: