Express the values below I’m scientific notation 52,800g, 255.6m, 0.04109cm!?

Math each whole number with a rational,exponential expression

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price