The simplified form of the expression. give your answer in scientific notation. (8 x 10 to the 7th power) ( 7 x 10 to the 4th power)

a: 1.5 x 10 to the 12th power,
b: 5.6 x 10 to the 12th power.
c: 1.5 x 10 to the 29th power.
d: 5.6 x 10 to the 29th power.

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)?