negative and zero exponents
· Any number that has an exponent of zero is always equal to one, expect 0.
· An exponent with a negative power is equal to 1/ a^b, where a is the base and b is the power.
· An exponent with a negative power is equal to 1/ a^b, where a is the base and b is the power.
· An exponent with a negative base in brackets is multiplied with itself.
· An exponent with a negative base without brackets is always negative.