Which method returns a number in exponential notation?

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

A). toString()

B). parseInt()

C). toFixed()

D). valueOf()

What does isFinite(123) return?

A). 1

B). 0

C). NaN

D). undefined

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 result of parseInt('0xF', 16)?

A). 15

B). 0

C). NaN

D). 16

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

A). 4

B). 5

C). 45

D). 123

Which method converts a string to a floating point number?

A). parseFloat()

B). toFixed()

C). toPrecision()

D). Number()

How do you format a number to two decimal places?

A). toFixed(2)

B). toExponential(2)

C). toPrecision(2)

D). toString(2)

What does parseFloat('12.34abc') return?

A). 12

B). 34

C). NaN

D). undefined

What does Number.isInteger(123.45) return?

A). 1

B). 0

C). NaN

D). undefined

What does Number('123abc') return?

A). 123

B). NaN

C). 123abc

D). undefined