Answer:
2 x 2 x 2 x 2 x 2 x 2 x 2 = 128
OR
2^7
Step-by-step explanation:
2 is the only prime number you can multiply to get 128.
as such your answers are :
2^7
or
2 x 2 x 2 x 2 x 2 x 2 x 2.
(if you don't know yet, 2^7 is just a simple way to say 2 times itself 7 times.)
