Ingrid types 3 pages in the same amount of time that tanya types 4.5 pages. if ingrid and tanya start typing at the same time, how many pages will tanya have typed when ingrid has typed 11 pages?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.