Work out the total surface area of this hemisphere which Sph
has a radius of 8 cm.
Surface
Give your answer to 1 decimal place.
41
You must use the a button in your calculations.
4xTTX82=804.2477193
804.2477193=2=402.1238597
=402.1x2=804.2477193
+
8 cm

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?