Circle the examples below that can be simplified using exponent laws. In the space below, explain why you can use an exponent law for the ones that you circled. If an example cannot be simplified using an exponent law, explain why not.

a) 3^4 x 3^7
b) 2^8 + 2^3
c) 8^12 / 2^12
d) 4^9 / 4^5
e) 5^3 x 7^6

(photo attached)