How are numbers written in scientific notation and numbers written as a single digit times an integer power of 10 similar? How are they different?

Witch represents the inverse of the function f(x)=1/4x-12

Need showing work for this problem 56.25 ×25.80

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?