Answer:
x=10, y=-10
Step-by-step explanation:
Answer:
247,000
Step-by-step explanation: Because the 7 rounds off the 0 and its a 0 so the 7 stays the same
Answer:
pH = 8
Step-by-step explanation:
Formular is given as;
pH = -log[H+]
A)baking soda:
[H+] = 10^-8
Upon inserting it into the formular;
pH = -log (10^-8)
pH = - ( -8)
pH = 8
1. 4.3904x
That's number one... Sorry, I can't do ten of those problems.... Gtg.... Hope I helped!!!!! Good luck!!! :)
Full term- 20” (50cm)
Normal range 18” to 22”