Answer:
-2p +1
Step-by-step explanation:
-4p+(-2)+2p+3
Combine like terms
-4p+2p+3-2
-2p +1
He put 12 stamps in his collection.
Answer:
2.16 * (10^-5).
Step-by-step explanation:
5 = -log H+
5 = log (1 / H+)
1/ H+ = 10^5
H+ = 10^-5
In a similar fashion the other brand has H+ of 10^-4.5.
So the difference in hydrogen ion concentration = 10^(-4.5) - 10^(-5)
= 2.16 * (10^-5).
Answer:
3x + 12
Step-by-step explanation:
Distribute the 3
