What is the output of (255).toString(2)?

What does parseFloat('12.34abc') return?

A). 12

B). 34

C). NaN

D). undefined

What does isFinite(123) return?

A). 1

B). 0

C). NaN

D). undefined

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

A). toString()

B). parseInt()

C). toFixed()

D). valueOf()

What does parseInt('101', 2) return?

A). 5

B). 101

C). NaN

D). 2

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()

What does the method parseInt('10.5') return?

A). 5

B). 11

C). 10

D). NaN

Which method returns a number in exponential notation?

A). toFixed()

B). toExponential()

C). toPrecision()

D). toString()

How do you format a number to two decimal places?

A). toFixed(2)

B). toExponential(2)

C). toPrecision(2)

D). toString(2)

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

A). 15

B). 0

C). NaN

D). 16

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

A). isNaN()

B). isFinite()

C). Number()

D). toFixed()