Answer:
a³ = 1 8 . 53
Explanation:
a³ = [ ( 6 . 2 3 ) ² × 7 . 6 4 ] ÷ 1 6
a ³ = [ 3 8 . 8 1 × 7 . 6 4 ] ÷ 1 6
a³ = 2 9 6 . 5 0 ÷ 1 6
a³ = 1 8 . 5 3
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