I think the best value for x is -9 because 6 x -9 = 54, minus 8 equals -44.
The answers are : A and C
Answer:
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Answer : 40,000
Explanation : when multiplying 10 with 4,000 we get
4000 X 10 = 40,000.
As we multiply, using the chart there are 4 thousand present in the row of thousand column. When we multiply that with 10 it gets shifted to left and becomes 40,000.