In need of !

what is the product?

(6.45×106) · 720,000

enter your answer in the box in scientific notation.

9/10 divide by -3/15 as a mixed number

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?