The answer is 207.
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Answer:
1.48 2.100
Step-by-step explanation:
That is the pH scale
pH = - log of the concentration of hydrogen ions in a solution.
The correct option is NON ZERO RATIONAL NUMBERS.
A rational number is a number that can be expressed as a fraction of two integers. A non zero rational number is a rational number that does not equal to zero. A set of number is said to be closed under division if all the problems that concern the set of numbers can be solved under division.