Astronomers measure large distances in light years one light year is the distance that light can travel in one year or approximately 5.88 x 10^12 miles. suppose a star is 3.2x10^2 light years from earth in scientific notation, approximately how many miles is it

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

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