Lets work out each set of brackets individually:
8 x 10 = 80
4 x 1 = 4
For the last bracket, note that: 2 times 1/100 is the same as 2 divided by 100
So:
2 x 1/100 = 2 ÷ 100
= 0.02
Now add up all of the numbers we worked out:
80 + 4 + 0.02 = 84 + 0.02
= 84.02
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Answer:
C. 84.02