What is 10 to the - 7th power

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

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1