Find (5.2 x 107)(5 x 108) (3.2 x 106)(5 x 105) , expressed in scientific notation. A)1.625 x 104 B)1.625 x 105 C)8.125 x 104 D)8.125 x 105

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown. which dog sitting service is more economic to use if you need 5 hours of service? explain.

What numbers are included in the set of integers? what numbers are not included?

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8