The given number "-68.555" is a: B. rational number.
What is a numerical data?
A numerical data is also referred to as a quantitative data and it can be defined as a data set that is primarily expressed in numbers only. This ultimately implies that, a numerical data refers to a data set consisting of numbers rather than words.
The types of numbers.
In Mathematics, there are six (6) common types of numbers and these include the following:
- Natural (counting) numbers: these are 1, 2, 3, 4, 5, 6, .....114, ....560.
- Whole numbers: these comprises all natural numbers and 0.
- Integers: these are whole numbers that may either be positive, negative, or zero such as ....-560, ...... -114, ..... -4, -3, -2, -1, 0, 1, 2, 3, 4, .....114, ....560.
- Rational numbers: these comprises fractions, integers, and terminating (repeating) decimals such as ....-560, ...... -114, -68.555, ..... -4, -3, -2, -1, -1/2, 0, 1, 1/2, 2, 3, 4, 4.3333, .....114, ....560.
- Irrational numbers: these comprises non-terminating or non-repeating decimals.
- Real numbers: these comprises both rational numbers and irrational numbers.
In this context, we can infer and logically deduce that -68.555 is a rational number.
Read more on rational number here: brainly.com/question/12088221
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