What does (123.456).toFixed(1) return?

What does Number('123') return?

A). 123

B). 123

C). NaN

D). 23

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

A). 5

B). 101

C). NaN

D). 2

What does toPrecision(3) do?

A). Formats a number to 3 decimal places

B). Returns a number in exponential notation

C). Returns a string with a number written with a specified length

D). Converts a number to a string

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

A). 255

B). 11111111

C). ff

D). 10

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

A). isNaN()

B). isFinite()

C). Number()

D). toFixed()

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()

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

A). toString()

B). parseInt()

C). toFixed()

D). valueOf()

Which method returns the primitive value of a Number object?

A). toString()

B). valueOf()

C). toFixed()

D). parseFloat()

Which method converts a string to a floating point number?

A). parseFloat()

B). toFixed()

C). toPrecision()

D). Number()