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Answer:
F 8.4
Step-by-step explanation:
4 [ 4.5 - 2(1.2)]
First, multipy 2 and 1.2
2 x 1.2 = 2.4
Then subtract 2.4 from 4.5
4.5 - 2.4 = 2.1
Last, multiply 2.1 from 4
4 x 2.1 = 8.4