The distance from Betelgeuse to Earth is known to be between 400 and 700 light years. How many meters is 400 light years?
What is 400 x 19 x 1025)? Drag and drop each of my steps in order to help
us write an estimate in scientific notation, then click DONE.
3.6 x 1018
STEP 1
STEP 2
(3.6 x 103) x 1015
STEP 3
Remember that light
travels at a speed of
9.460730473 x 1015
3.6 x (103 x 1015)
STEP 4
meters per year
(400 x 9) x 1015
ESTIMATE
3600 x 1015
DONE

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.