When you flip a biased coin the probability of getting a tail is 0.42. Find the probability of getting a head.

What is the absolute value of the complex number -4-sqrt2i

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?