Answer:
-10-(-3)
Step-by-step explanations
we have-10-(-3). since law of basic operation:
+*+=+
-*-=+
so we have-10(-*-=+)
so we have-10+3
I could probably help with that
Answer:
<em>The value of x is 4. Hope this helps you.</em>
9 goes into 430 47.777.... times repeateded. so 47.78
Answer:
pH = 3.3
Step-by-step explanation:
pH is given by the formula; pH = –log[H+]
The concentration of hydrogen ions is 5.0 × 10–4 moles per liter.
Therefore;
pH = - log₁₀(5.0 × 10^–4)
= -( - 3.301)
= 3.301
Thus;
The approximate pH will be; 3.3