Ijust need to know if i did these two problems right or not because i just learned this in class today.

The value √10 and √15 are plotted on the number line

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5