Answer:
50 ft2
Step-by-step explanation:
im not sure if this is right but this is what i got when i worked it out
Answer:
12* ( 4+5)
Step-by-step explanation:
48 = 12 * 4
60 = 12 * 5
48 + 60 = 12*4 + 12*5
= 12*( 4 + 5)
= 12* 9
= 108
Any number to the power of a negative integer will be 1 over that number with the absolute value of the power, so it looks like this:

Therefore, you just need to 8² which is 64, and then do 1 over that (1/64) because it's a negative power.