8.67 × 10^9
you take the decimal and move it over till you only have one number before the decimal. The number of times you moved the decimal is the power that it is put to. In this case the decimal was moved 9 times to it is 10^9.
You must multiply 89.95 by .9. Because you have taken a .1 away (Because of the discount) from 1. this equals, 80.955
Answer:
5.9
Step-by-step explanation:
