Answer:
I think the answer is Four
Step-by-step explanation:
3.9-8= 4,5,6,7
360/22.5=16
so the answer is 1/16
Step-by-step explanation:
The scientific notation:

<em>1 ≤ a < 10</em> and <em>k -</em><em> any integer number</em>
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Answer:
Perpendicular
Step-by-step explanation:
Perpendicular lines meet at a 90 degree angle.