Bret’s bill for dinner is $40.25 including tax. He leaves a 20% tip. How much tip does Bret leave in dollars and cents?

How do you write something in scientific notation?

I’m how many different ways can she give the four remaining flowers to the rest of the teachers in the afternoon

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams