In a science experiment, a scientist records the wavelengths of six waves. The wavelengths, in nanometers, are listed below. 0.0001
5
100
103
1.0001
1
1,000
2 x 102
Which two wavelengths are equal to one another?

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Anyone know? will mark brainliest if correct

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?