An item regularly priced at $80 is on sale for 20% off. there is a 3% sales tax. what is the sales price before sales tax

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.