Look at the attached image please answer s fast as possible will give 35 points if answered correctly
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Answer:
A) D
Step-by-step explanation:
A)
(7 x 3) x (10 (5) x 10 (2)) - brackets are squared numbers to go on the top.
21 x 10 (5 / 2)
= 21 x 10 (7)
= 2.1 x 10 (8)
sorry I’m not sure how to do B