Answer:
81/64
Step-by-step explanation:
(-8)^-2
----------------
3^-4
Negative exponents move the item from the numerator to the denominator, and from the denominator to the numerator
(3)^4
----------------
(-8)^2
Now evaluate the power
81
---------
64
Answer:
1 cm : 250 m
Step-by-step explanation:
the scale is 4 cm : 1 km
4 cm/4 : 1 km/4
1 cm : 250 m
So We Have:
11i(5 + 8i)
We Need To Distribute.
We Get:
55 + 88i²