Situation:
Find the substance's half-life, in days.
Round your answer to the nearest tenth.
A 46 gram sample of a substance that's a
by-product of fireworks has a k-value of
0.1374.
Enter the correct answer.
IN= Noe
-kt
DONE
No = initial mass (at time t = 0)
OO
N = mass at time t
k = a positive constant that depends on
the substance itself and on the units
used to measure time
t = time, in days

first one because it can't have a fraction in it

step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

●yes, this statement is absolutely apt.

hope this you

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.