Question

Evaluate the expression.

2^4 − 2^3

i would also like to know the general rules when it comes to exponents, I know when you multiply you add exponents and when you devide you subtract exponents....

Answer 1

2^3(2-1)

Answer 2

there is no general rule to adding subtracting exonents

Answer 3

that is 16 - 8 which is 2^3

Answer 4

or 8