K value = natural log (.5) / half-life
half-life = natural log (.5) / k value
half-life = -.693147 / 0.1011
half-life =
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6.8560534125
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I'd say the k value should be negative AND it should have units.
Answer:
153, 51, 5.1
Step-by-step explanation:
<h3>15.3÷3= 153 tenths÷3</h3><h3>15.3÷3=51 tenths</h3><h3>15.3÷3=5.1</h3>
Answer:
C
Step-by-step explanation:
This has to be C because you need to divide pi from r squared bc they r multiplied. Then you get a/pi = r squared. You need to find the square root of a/pi. So r equals square root a/pi.
