How do you format a number to two decimal places?

Which method can convert a number to a different base (e.g., hexadecimal)?

A). toString()

B). parseInt()

C). toFixed()

D). valueOf()

What does Number.isInteger(123.45) return?

A). 1

B). 0

C). NaN

D). undefined

What is the result of parseInt('0xF', 16)?

A). 15

B). 0

C). NaN

D). 16

What does Number('123abc') return?

A). 123

B). NaN

C). 123abc

D). undefined

What does Number('123') return?

A). 123

B). 123

C). NaN

D). 23

Which method returns a number in exponential notation?

A). toFixed()

B). toExponential()

C). toPrecision()

D). toString()

Which method converts a string to a floating point number?

A). parseFloat()

B). toFixed()

C). toPrecision()

D). Number()

Which method would you use to check if a value is a finite number?

A). isNaN()

B). isFinite()

C). Number()

D). toFixed()

What does Number.isNaN('123') return?

A). 1

B). 0

C). NaN

D). undefined

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()