5. After 6 hours, the concentration is halved. After 12 hours, it will be quartered. If the original concentration is 200 nmol, a quarter is 50 nmol.
14. The population doubles after 3 hours, and a day is 24 hours. That means that the original population should be multiplied by
, or
. 3 million times
is 3 * 256 million, or 768 million.
15. The concentration is halved every 8 hours and the original concentration is 100 nmol. So now, how many times do you halve 100 to get to 12.5?
100/2 = 50, 50/2 = 25, 25/2 = 12.5. That's three times. 3 * 8 is 24 hours, or 1 day.
Answer:
by doing it the same way you did with the first one.
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
i got it right on the test !!
Answer:
Left 7
Step-by-step explanation:
f(x)=a(x-h)^2+k
f(x)=(x-(-7))^2
-7 of x is to the left
14-10=? less than indicates that a minus sign is needed.