Which shows the best estimate to use to find 52 x 67
2 answers:
The answer is either abc but not D cause it doesn't match the answer to the equation
B 50 x 70
Since 52 rounds to 50 and 67 round to 70
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2. C
3. C
4. C
(all answers are c)
The answer for your problem is letter B
x=-2 + 2i
I hope its useful :)
