Answer:
the answer is D
Step-by-step explanation:
that is R ND Q re on the same line as well as S ND
Answer:
T= PV/NR
Step-by-step explanation:
PLS MY BRAIN HURTS LIKE AND 5 STAR
Answer:
12
Step-by-step explanation:
The proportion is equal to 
We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get
Dividing both sides by 5, we have the answer as
The half-life is 29 years.
116 : 29 = 4
So we will have 4 periods of half-life:
( 1/2 )^4 = 1/16
150 g * 1/16 = 9.375 g
Answer:
9.375 g of strontium -90 will remain after 116 years.
62
×22
=124
+1240
=1364
her answer is not responsible because how can 124+1240=1,042
