True, this is a Pythagorean identity.
Answer:
-4∛4
Step-by-step explanation:
Simplify the radical expression
-∛256→ -2²x∛2²
then evaluate the power
-4∛4
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Answer:
t = 1/2 hour
Step-by-step explanation:
20480 = 80
20480 = 80
20480/80 = 
256 = 
x = 4
doubling period
2 = 
t = 1/2 hour