please answer this .
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Answer:
16/81
Step-by-step explanation:
[ ( -2/3 )^9 ÷ ( -2/3 )^8 ] x ( -2/3 )
= [ -2/3 ]^9-8 x ( -2/3 )
= ( -2/3) x ( -2/3 )
= 4/9
a = 4/9
∴ a^2 = ( 4/9 )^2 = 16/81
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