Hi,
So 50 billion written out would be 50,000,000,000
In scientific notation that would be 5.0 x 10^10
Trapezoid ABCD was the original figure for trapezoid A'B'C'D. They are similar because they are the same shape, Trapezoid A'B'C'D is slightly bigger or smaller because it was dilated from trapezoid ABCD.
I believe it would be 12 because 9 min divided by .75 a rotation gets 12 rotations
Answer:
(a-2b) ×(3+x)
Step-by-step explanation:
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