I
don't know because this is the question which I never heard
Answer:
Water acts as a base in the presence of a strong acid
Explanation:
Water,being an amphoteric compound, can act both as an acid and as a base.
In the presence of an acid , water acts as a base but in the presence of a base, water acts as an acid.
The scientific notation for 5,098.000 is 5.098000*10^(3).
Here the number also has 7 significant figures.
Hope this helps~