Answer:
Step-by-step explanation:
1 hour=60 min
7 hours=60×7=420 min
number of blink=420×13=5460
Answer:

Step-by-step explanation:

* The above answer is written in reverse, which is the exact same result.
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Answer:
170
Step-by-step explanation:
you have to divide
So you can multiply $61.70 x 4 and there for your answer is $246.80
IF the central angle is in degrees then the
arc length = (12 / 360) * circumference
arc length = (1 / 30) * 2 * PI * 30
arc length = 2 * PI inches
arc length =
<span>
<span>
<span>
6.28 inches
Source:
http://www.1728.org/radians.htm
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