Write 82,000,000 in scientific notation.
a. 8.2 x 107
b. 82.2 x 107
c. 8.2 x 108
d. 8.2 x 109

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Write the expression as a single natural logarithm. 2 in a - 4 in y

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.