Miki tosses a coin 50 times, the coin shows heads 28 times. suppose the coin is fair and miki tosses it 500 times. how many times can she expect it to show heads?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What’s the answer ? use the picture to see the problem

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.