Write each number in scientific notation 1) 0.000006 2) 5400000 3) 60 4) 0.009 5) 6.7 6) 0.0000027) 20000009) 4890010) 0.000000913) 0.00021614) 0.004216) 4.8

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?