Answer:
a) 2
b) 199
Explanation:
Part A:
100*2 - 100 = 100
(You'd multiply 100x2 first, which is 200, then subtract 100, and get 100.)
Part B:
There's parentheses in part B, so these get calculated first.
(200-199) = 1.
1 x 200 = 200
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