Answer:
volume is legnth times width times height
if legnth=width=height and legnth=13
volume=13 times 13 times 13
exponents tell how many times to multiply by itself
2^3 means 2 times itself 3 times or 2 times 2 times 2
so 13 times 13 times 13=13^3
so the answer is 13^3
Explanation: