When multiplying something with exponents, you add it. When dividing something with exponents, you subtract it.
Parentheses, exponents, multiplication and division, addition and subtraction.
Same.
This is effectively the same as lining up the decimal points when adding or subtracting ordinary decimal fractions.
Subtracting a negative is the same as adding the equivalent positive. For example, subtracting minus 10 is the same as adding 10.
your mom is 2
no answer
Ensure that the denominators are the same when adding or subtracting fractions.
It can be a problem to do with adding or subtracting or exponents.
David Missoula's
Yes, it does.
Fractional exponents follow the same rules as integral exponents. Integral exponents are numbers raised to an integer power.
They aren't. The rules are the same as those for adding/subtracting or multiplying integers. Just be careful of the decimal point's location.