An elementary school teacher must purchase 4.51 cups of flour per student for a class project. if she has 38 students, use estimation to determine the total number of cups of flour needed for the project.

sounds & other waves originate from any vibrating object

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of