Answer:

Step-by-step explanation:
Using the power of power rule (multiply the exponents)
×
× 

When exponents are multiplied, add the answers:
x ^ ( 4/9 + 2/9 )
x ^ ( 6/9 )
x ^ ( 2/3 )
Answer:
x=-1
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
I got this answer correct on a test
20.50 * 0.8 = $16.40
16.40 * 0.4 = $6.56
Final selling price = $6.56