How do you write 36.42 as a mixed number

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0