A jet flies at a rate of 1.3 times 10 Superscript 6 feet per hour. Written in scientific notation, which is the best estimate of how many feet the jet will travel in 2.8 times 10 Superscript 3 hours?

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?