Understanding Numbers in Mathematica

Which of the following languages does not have built-in support for the four main types of numbers?

• Mathematica

• C++

• Wolfram Language

• Python

What is the default separator used in Mathematica for large integers?

• Underscore

• Space

• Period

• Comma

How can you enter a fraction in Mathematica?

• Type the numerator, press ALT + /, then type the denominator

• Type the numerator, press SHIFT + /, then type the denominator

• Type the numerator, press CTRL + *, then type the denominator

• Type the numerator, press CTRL + /, then type the denominator

What is the result of any arithmetic operation involving rational numbers in Mathematica?

• A rational number

• An integer

• A complex number

• A real number

What function can you use in Mathematica to see all digits of a real number?

• FullForm

• FullDigits

• AllDigits

• CompleteForm

What is the standard way to write very large or very small real numbers?

• Decimal notation

• Fractional notation

• Binary notation

• Scientific notation

How is the imaginary unit 'i' represented in Mathematica?

• As a capital 'I'

• As a lowercase 'i'

• As a double-stroked 'I'

• As a double-stroked 'i'

What is the relationship between real numbers and complex numbers?

• They are identical sets

• Complex numbers are a subset of real numbers

• They are completely separate sets

• Real numbers are a subset of complex numbers

What happens if you enter a number larger than $MaxNumber in Mathematica?

• It returns Infinity

• It returns an Error

• It returns an Overflow

• It returns an Underflow

Which function is used to extract the real part of a complex number in Mathematica?

• Real

• Re

• ExtractReal

• RealPart