For numbers 2-7,change the number from standard natation to scientific notation.
1)164,000
2)2,540,000
3)30,000,000
4) mariana is a chemistry student at kenyon college in gambier ohio .under her microscope she observes an organism that has a mass of

grams.
express this number in standard notation

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?